28495740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:356

約数の個数: 192

約数和(自身を含む): 104315904

約数和(自身を除く): 75820164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 307, 340, 357, 364, 390, 420, 442, 455, 476, 510, 546, 595, 614, 663, 714, 780, 884, 910, 921, 1020, 1092, 1105, 1190, 1228, 1326, 1365, 1428, 1535, 1547, 1785, 1820, 1842, 2149, 2210, 2380, 2652, 2730, 3070, 3094, 3315, 3570, 3684, 3991, 4298, 4420, 4605, 4641, 5219, 5460, 6140, 6188, 6447, 6630, 7140, 7735, 7982, 8596, 9210, 9282, 10438, 10745, 11973, 12894, 13260, 15470, 15657, 15964, 18420, 18564, 19955, 20876, 21490, 23205, 23946, 25788, 26095, 27937, 30940, 31314, 32235, 36533, 39910, 42980, 46410, 47892, 52190, 55874, 59865, 62628, 64470, 67847, 73066, 78285, 79820, 83811, 92820, 104380, 109599, 111748, 119730, 128940, 135694, 139685, 146132, 156570, 167622, 182665, 203541, 219198, 239460, 271388, 279370, 313140, 335244, 339235, 365330, 407082, 419055, 438396, 474929, 547995, 558740, 678470, 730660, 814164, 838110, 949858, 1017705, 1095990, 1356940, 1424787, 1676220, 1899716, 2035410, 2191980, 2374645, 2849574, 4070820, 4749290, 5699148, 7123935, 9498580, 14247870, 28495740]

約数ペア:

[(1, 28495740), (2, 14247870), (3, 9498580), (4, 7123935), (5, 5699148), (6, 4749290), (7, 4070820), (10, 2849574), (12, 2374645), (13, 2191980), (14, 2035410), (15, 1899716), (17, 1676220), (20, 1424787), (21, 1356940), (26, 1095990), (28, 1017705), (30, 949858), (34, 838110), (35, 814164), (39, 730660), (42, 678470), (51, 558740), (52, 547995), (60, 474929), (65, 438396), (68, 419055), (70, 407082), (78, 365330), (84, 339235), (85, 335244), (91, 313140), (102, 279370), (105, 271388), (119, 239460), (130, 219198), (140, 203541), (156, 182665), (170, 167622), (182, 156570), (195, 146132), (204, 139685), (210, 135694), (221, 128940), (238, 119730), (255, 111748), (260, 109599), (273, 104380), (307, 92820), (340, 83811), (357, 79820), (364, 78285), (390, 73066), (420, 67847), (442, 64470), (455, 62628), (476, 59865), (510, 55874), (546, 52190), (595, 47892), (614, 46410), (663, 42980), (714, 39910), (780, 36533), (884, 32235), (910, 31314), (921, 30940), (1020, 27937), (1092, 26095), (1105, 25788), (1190, 23946), (1228, 23205), (1326, 21490), (1365, 20876), (1428, 19955), (1535, 18564), (1547, 18420), (1785, 15964), (1820, 15657), (1842, 15470), (2149, 13260), (2210, 12894), (2380, 11973), (2652, 10745), (2730, 10438), (3070, 9282), (3094, 9210), (3315, 8596), (3570, 7982), (3684, 7735), (3991, 7140), (4298, 6630), (4420, 6447), (4605, 6188), (4641, 6140), (5219, 5460)]