1977448788

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:572

約数の個数: 240

約数和(自身を含む): 6290838400

約数和(自身を除く): 4313389612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 109, 114, 126, 133, 162, 171, 189, 218, 228, 252, 266, 324, 327, 342, 378, 399, 421, 436, 513, 532, 567, 654, 684, 756, 763, 798, 842, 981, 1026, 1134, 1197, 1263, 1308, 1526, 1539, 1596, 1684, 1962, 2052, 2071, 2268, 2289, 2394, 2526, 2943, 2947, 3052, 3078, 3591, 3789, 3924, 4142, 4578, 4788, 5052, 5886, 5894, 6156, 6213, 6867, 7182, 7578, 7999, 8284, 8829, 8841, 9156, 10773, 11367, 11772, 11788, 12426, 13734, 14364, 14497, 15156, 15998, 17658, 17682, 18639, 20601, 21546, 22734, 23997, 24852, 26523, 27468, 28994, 31996, 34101, 35316, 35364, 37278, 41202, 43092, 43491, 45468, 45889, 47994, 53046, 55917, 55993, 57988, 61803, 68202, 71991, 74556, 79569, 82404, 86982, 91778, 95988, 106092, 111834, 111986, 123606, 130473, 136404, 137667, 143982, 159138, 167751, 167979, 173964, 183556, 215973, 223668, 223972, 238707, 247212, 260946, 275334, 287964, 318276, 321223, 335502, 335958, 391419, 413001, 431946, 477414, 503937, 521892, 550668, 642446, 647919, 671004, 671916, 782838, 826002, 863892, 871891, 954828, 963669, 1007874, 1174257, 1239003, 1284892, 1295838, 1511811, 1565676, 1652004, 1743782, 1927338, 2015748, 2348514, 2478006, 2591676, 2615673, 2891007, 3023622, 3487564, 3717009, 3854676, 4535433, 4697028, 4956012, 5231346, 5782014, 6047244, 6103237, 7434018, 7847019, 8673021, 9070866, 10462692, 11564028, 12206474, 14868036, 15694038, 17346042, 18141732, 18309711, 23541057, 24412948, 26019063, 31388076, 34692084, 36619422, 47082114, 52038126, 54929133, 70623171, 73238844, 94164228, 104076252, 109858266, 141246342, 164787399, 219716532, 282492684, 329574798, 494362197, 659149596, 988724394, 1977448788]

約数ペア:

[(1, 1977448788), (2, 988724394), (3, 659149596), (4, 494362197), (6, 329574798), (7, 282492684), (9, 219716532), (12, 164787399), (14, 141246342), (18, 109858266), (19, 104076252), (21, 94164228), (27, 73238844), (28, 70623171), (36, 54929133), (38, 52038126), (42, 47082114), (54, 36619422), (57, 34692084), (63, 31388076), (76, 26019063), (81, 24412948), (84, 23541057), (108, 18309711), (109, 18141732), (114, 17346042), (126, 15694038), (133, 14868036), (162, 12206474), (171, 11564028), (189, 10462692), (218, 9070866), (228, 8673021), (252, 7847019), (266, 7434018), (324, 6103237), (327, 6047244), (342, 5782014), (378, 5231346), (399, 4956012), (421, 4697028), (436, 4535433), (513, 3854676), (532, 3717009), (567, 3487564), (654, 3023622), (684, 2891007), (756, 2615673), (763, 2591676), (798, 2478006), (842, 2348514), (981, 2015748), (1026, 1927338), (1134, 1743782), (1197, 1652004), (1263, 1565676), (1308, 1511811), (1526, 1295838), (1539, 1284892), (1596, 1239003), (1684, 1174257), (1962, 1007874), (2052, 963669), (2071, 954828), (2268, 871891), (2289, 863892), (2394, 826002), (2526, 782838), (2943, 671916), (2947, 671004), (3052, 647919), (3078, 642446), (3591, 550668), (3789, 521892), (3924, 503937), (4142, 477414), (4578, 431946), (4788, 413001), (5052, 391419), (5886, 335958), (5894, 335502), (6156, 321223), (6213, 318276), (6867, 287964), (7182, 275334), (7578, 260946), (7999, 247212), (8284, 238707), (8829, 223972), (8841, 223668), (9156, 215973), (10773, 183556), (11367, 173964), (11772, 167979), (11788, 167751), (12426, 159138), (13734, 143982), (14364, 137667), (14497, 136404), (15156, 130473), (15998, 123606), (17658, 111986), (17682, 111834), (18639, 106092), (20601, 95988), (21546, 91778), (22734, 86982), (23997, 82404), (24852, 79569), (26523, 74556), (27468, 71991), (28994, 68202), (31996, 61803), (34101, 57988), (35316, 55993), (35364, 55917), (37278, 53046), (41202, 47994), (43092, 45889), (43491, 45468)]