513232280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 1313832960

約数和(自身を除く): 800600680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 191, 197, 220, 248, 310, 341, 382, 394, 440, 620, 682, 764, 788, 955, 985, 1240, 1364, 1528, 1576, 1705, 1910, 1970, 2101, 2167, 2728, 3410, 3820, 3940, 4202, 4334, 5921, 6107, 6820, 7640, 7880, 8404, 8668, 10505, 10835, 11842, 12214, 13640, 16808, 17336, 21010, 21670, 23684, 24428, 29605, 30535, 37627, 42020, 43340, 47368, 48856, 59210, 61070, 65131, 67177, 75254, 84040, 86680, 118420, 122140, 130262, 134354, 150508, 188135, 236840, 244280, 260524, 268708, 301016, 325655, 335885, 376270, 413897, 521048, 537416, 651310, 671770, 752540, 827794, 1166437, 1302620, 1343540, 1505080, 1655588, 2069485, 2332874, 2605240, 2687080, 3311176, 4138970, 4665748, 5832185, 8277940, 9331496, 11664370, 12830807, 16555880, 23328740, 25661614, 46657480, 51323228, 64154035, 102646456, 128308070, 256616140, 513232280]

約数ペア:

[(1, 513232280), (2, 256616140), (4, 128308070), (5, 102646456), (8, 64154035), (10, 51323228), (11, 46657480), (20, 25661614), (22, 23328740), (31, 16555880), (40, 12830807), (44, 11664370), (55, 9331496), (62, 8277940), (88, 5832185), (110, 4665748), (124, 4138970), (155, 3311176), (191, 2687080), (197, 2605240), (220, 2332874), (248, 2069485), (310, 1655588), (341, 1505080), (382, 1343540), (394, 1302620), (440, 1166437), (620, 827794), (682, 752540), (764, 671770), (788, 651310), (955, 537416), (985, 521048), (1240, 413897), (1364, 376270), (1528, 335885), (1576, 325655), (1705, 301016), (1910, 268708), (1970, 260524), (2101, 244280), (2167, 236840), (2728, 188135), (3410, 150508), (3820, 134354), (3940, 130262), (4202, 122140), (4334, 118420), (5921, 86680), (6107, 84040), (6820, 75254), (7640, 67177), (7880, 65131), (8404, 61070), (8668, 59210), (10505, 48856), (10835, 47368), (11842, 43340), (12214, 42020), (13640, 37627), (16808, 30535), (17336, 29605), (21010, 24428), (21670, 23684)]