491230960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1703

約数の個数: 120

約数和(自身を含む): 1296667008

約数和(自身を除く): 805436048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 310, 341, 440, 484, 496, 605, 620, 682, 880, 968, 1210, 1240, 1364, 1637, 1705, 1936, 2420, 2480, 2728, 3274, 3410, 3751, 4840, 5456, 6548, 6820, 7502, 8185, 9680, 13096, 13640, 15004, 16370, 18007, 18755, 26192, 27280, 30008, 32740, 36014, 37510, 50747, 60016, 65480, 72028, 75020, 90035, 101494, 130960, 144056, 150040, 180070, 198077, 202988, 253735, 288112, 300080, 360140, 396154, 405976, 507470, 558217, 720280, 792308, 811952, 990385, 1014940, 1116434, 1440560, 1584616, 1980770, 2029880, 2232868, 2791085, 3169232, 3961540, 4059760, 4465736, 5582170, 6140387, 7923080, 8931472, 11164340, 12280774, 15846160, 22328680, 24561548, 30701935, 44657360, 49123096, 61403870, 98246192, 122807740, 245615480, 491230960]

約数ペア:

[(1, 491230960), (2, 245615480), (4, 122807740), (5, 98246192), (8, 61403870), (10, 49123096), (11, 44657360), (16, 30701935), (20, 24561548), (22, 22328680), (31, 15846160), (40, 12280774), (44, 11164340), (55, 8931472), (62, 7923080), (80, 6140387), (88, 5582170), (110, 4465736), (121, 4059760), (124, 3961540), (155, 3169232), (176, 2791085), (220, 2232868), (242, 2029880), (248, 1980770), (310, 1584616), (341, 1440560), (440, 1116434), (484, 1014940), (496, 990385), (605, 811952), (620, 792308), (682, 720280), (880, 558217), (968, 507470), (1210, 405976), (1240, 396154), (1364, 360140), (1637, 300080), (1705, 288112), (1936, 253735), (2420, 202988), (2480, 198077), (2728, 180070), (3274, 150040), (3410, 144056), (3751, 130960), (4840, 101494), (5456, 90035), (6548, 75020), (6820, 72028), (7502, 65480), (8185, 60016), (9680, 50747), (13096, 37510), (13640, 36014), (15004, 32740), (16370, 30008), (18007, 27280), (18755, 26192)]