440197520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25357}}^1$

素因数の和:25408

約数の個数: 80

約数和(自身を含む): 1207446528

約数和(自身を除く): 767249008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 25357, 50714, 101428, 126785, 177499, 202856, 253570, 354998, 405712, 507140, 709996, 786067, 887495, 1014280, 1419992, 1572134, 1774990, 2028560, 2839984, 3144268, 3549980, 3930335, 5502469, 6288536, 7099960, 7860670, 11004938, 12577072, 14199920, 15721340, 22009876, 27512345, 31442680, 44019752, 55024690, 62885360, 88039504, 110049380, 220098760, 440197520]

約数ペア:

[(1, 440197520), (2, 220098760), (4, 110049380), (5, 88039504), (7, 62885360), (8, 55024690), (10, 44019752), (14, 31442680), (16, 27512345), (20, 22009876), (28, 15721340), (31, 14199920), (35, 12577072), (40, 11004938), (56, 7860670), (62, 7099960), (70, 6288536), (80, 5502469), (112, 3930335), (124, 3549980), (140, 3144268), (155, 2839984), (217, 2028560), (248, 1774990), (280, 1572134), (310, 1419992), (434, 1014280), (496, 887495), (560, 786067), (620, 709996), (868, 507140), (1085, 405712), (1240, 354998), (1736, 253570), (2170, 202856), (2480, 177499), (3472, 126785), (4340, 101428), (8680, 50714), (17360, 25357)]