401023840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{51151}}^1$

素因数の和:51180

約数の個数: 72

約数和(自身を含む): 1102120992

約数和(自身を除く): 701097152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 51151, 102302, 204604, 255755, 358057, 409208, 511510, 716114, 818416, 1023020, 1432228, 1636832, 1790285, 2046040, 2506399, 2864456, 3580570, 4092080, 5012798, 5728912, 7161140, 8184160, 10025596, 11457824, 12531995, 14322280, 20051192, 25063990, 28644560, 40102384, 50127980, 57289120, 80204768, 100255960, 200511920, 401023840]

約数ペア:

[(1, 401023840), (2, 200511920), (4, 100255960), (5, 80204768), (7, 57289120), (8, 50127980), (10, 40102384), (14, 28644560), (16, 25063990), (20, 20051192), (28, 14322280), (32, 12531995), (35, 11457824), (40, 10025596), (49, 8184160), (56, 7161140), (70, 5728912), (80, 5012798), (98, 4092080), (112, 3580570), (140, 2864456), (160, 2506399), (196, 2046040), (224, 1790285), (245, 1636832), (280, 1432228), (392, 1023020), (490, 818416), (560, 716114), (784, 511510), (980, 409208), (1120, 358057), (1568, 255755), (1960, 204604), (3920, 102302), (7840, 51151)]