435143380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{43777}}^1$

素因数の和:43864

約数の個数: 48

約数和(自身を含む): 1059077376

約数和(自身を除く): 623933996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 43777, 87554, 175108, 218885, 306439, 437770, 612878, 875540, 1225756, 1532195, 3064390, 3108167, 6128780, 6216334, 12432668, 15540835, 21757169, 31081670, 43514338, 62163340, 87028676, 108785845, 217571690, 435143380]

約数ペア:

[(1, 435143380), (2, 217571690), (4, 108785845), (5, 87028676), (7, 62163340), (10, 43514338), (14, 31081670), (20, 21757169), (28, 15540835), (35, 12432668), (70, 6216334), (71, 6128780), (140, 3108167), (142, 3064390), (284, 1532195), (355, 1225756), (497, 875540), (710, 612878), (994, 437770), (1420, 306439), (1988, 218885), (2485, 175108), (4970, 87554), (9940, 43777)]