1999091380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{698983}}^1$

素因数の和:699016

約数の個数: 48

約数和(自身を含む): 4932031104

約数和(自身を除く): 2932939724

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 698983, 1397966, 2795932, 3494915, 6989830, 7688813, 9086779, 13979660, 15377626, 18173558, 30755252, 36347116, 38444065, 45433895, 76888130, 90867790, 99954569, 153776260, 181735580, 199909138, 399818276, 499772845, 999545690, 1999091380]

約数ペア:

[(1, 1999091380), (2, 999545690), (4, 499772845), (5, 399818276), (10, 199909138), (11, 181735580), (13, 153776260), (20, 99954569), (22, 90867790), (26, 76888130), (44, 45433895), (52, 38444065), (55, 36347116), (65, 30755252), (110, 18173558), (130, 15377626), (143, 13979660), (220, 9086779), (260, 7688813), (286, 6989830), (572, 3494915), (715, 2795932), (1430, 1397966), (2860, 698983)]