1285958740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1201}}^1$

素因数の和:1409

約数の個数: 96

約数和(自身を含む): 3062965248

約数和(自身を除く): 1777006508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 157, 220, 310, 314, 341, 620, 628, 682, 785, 1201, 1364, 1570, 1705, 1727, 2402, 3140, 3410, 3454, 4804, 4867, 6005, 6820, 6908, 8635, 9734, 12010, 13211, 17270, 19468, 24020, 24335, 26422, 34540, 37231, 48670, 52844, 53537, 66055, 74462, 97340, 107074, 132110, 148924, 186155, 188557, 214148, 264220, 267685, 372310, 377114, 409541, 535370, 744620, 754228, 819082, 942785, 1070740, 1638164, 1885570, 2047705, 2074127, 3771140, 4095410, 4148254, 5845267, 8190820, 8296508, 10370635, 11690534, 20741270, 23381068, 29226335, 41482540, 58452670, 64297937, 116905340, 128595874, 257191748, 321489685, 642979370, 1285958740]

約数ペア:

[(1, 1285958740), (2, 642979370), (4, 321489685), (5, 257191748), (10, 128595874), (11, 116905340), (20, 64297937), (22, 58452670), (31, 41482540), (44, 29226335), (55, 23381068), (62, 20741270), (110, 11690534), (124, 10370635), (155, 8296508), (157, 8190820), (220, 5845267), (310, 4148254), (314, 4095410), (341, 3771140), (620, 2074127), (628, 2047705), (682, 1885570), (785, 1638164), (1201, 1070740), (1364, 942785), (1570, 819082), (1705, 754228), (1727, 744620), (2402, 535370), (3140, 409541), (3410, 377114), (3454, 372310), (4804, 267685), (4867, 264220), (6005, 214148), (6820, 188557), (6908, 186155), (8635, 148924), (9734, 132110), (12010, 107074), (13211, 97340), (17270, 74462), (19468, 66055), (24020, 53537), (24335, 52844), (26422, 48670), (34540, 37231)]