220608388

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 559851264

約数和(自身を除く): 339242876

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 44, 49, 52, 68, 77, 91, 98, 119, 143, 154, 182, 187, 196, 221, 238, 286, 308, 364, 374, 442, 463, 476, 539, 572, 637, 748, 833, 884, 926, 1001, 1078, 1274, 1309, 1547, 1666, 1852, 2002, 2156, 2431, 2548, 2618, 3094, 3241, 3332, 4004, 4862, 5093, 5236, 6019, 6188, 6482, 7007, 7871, 9163, 9724, 10186, 10829, 12038, 12964, 14014, 15742, 17017, 18326, 20372, 21658, 22687, 24076, 28028, 31484, 34034, 35651, 36652, 42133, 43316, 45374, 55097, 66209, 68068, 71302, 84266, 86581, 90748, 102323, 110194, 119119, 132418, 142604, 168532, 173162, 204646, 220388, 238238, 249557, 264836, 294931, 346324, 385679, 409292, 463463, 476476, 499114, 589862, 606067, 716261, 771358, 926926, 998228, 1125553, 1179724, 1212134, 1432522, 1542716, 1853852, 2251106, 2424268, 2865044, 3244241, 4242469, 4502212, 5013827, 6488482, 7878871, 8484938, 10027654, 12976964, 15757742, 16969876, 20055308, 31515484, 55152097, 110304194, 220608388]

約数ペア:

[(1, 220608388), (2, 110304194), (4, 55152097), (7, 31515484), (11, 20055308), (13, 16969876), (14, 15757742), (17, 12976964), (22, 10027654), (26, 8484938), (28, 7878871), (34, 6488482), (44, 5013827), (49, 4502212), (52, 4242469), (68, 3244241), (77, 2865044), (91, 2424268), (98, 2251106), (119, 1853852), (143, 1542716), (154, 1432522), (182, 1212134), (187, 1179724), (196, 1125553), (221, 998228), (238, 926926), (286, 771358), (308, 716261), (364, 606067), (374, 589862), (442, 499114), (463, 476476), (476, 463463), (539, 409292), (572, 385679), (637, 346324), (748, 294931), (833, 264836), (884, 249557), (926, 238238), (1001, 220388), (1078, 204646), (1274, 173162), (1309, 168532), (1547, 142604), (1666, 132418), (1852, 119119), (2002, 110194), (2156, 102323), (2431, 90748), (2548, 86581), (2618, 84266), (3094, 71302), (3241, 68068), (3332, 66209), (4004, 55097), (4862, 45374), (5093, 43316), (5236, 42133), (6019, 36652), (6188, 35651), (6482, 34034), (7007, 31484), (7871, 28028), (9163, 24076), (9724, 22687), (10186, 21658), (10829, 20372), (12038, 18326), (12964, 17017), (14014, 15742)]