145903640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1723}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 344455200

約数和(自身を除く): 198551560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 290, 292, 365, 580, 584, 730, 1160, 1460, 1723, 2117, 2920, 3446, 4234, 6892, 8468, 8615, 10585, 13784, 16936, 17230, 21170, 34460, 42340, 49967, 68920, 84680, 99934, 125779, 199868, 249835, 251558, 399736, 499670, 503116, 628895, 999340, 1006232, 1257790, 1998680, 2515580, 3647591, 5031160, 7295182, 14590364, 18237955, 29180728, 36475910, 72951820, 145903640]

約数ペア:

[(1, 145903640), (2, 72951820), (4, 36475910), (5, 29180728), (8, 18237955), (10, 14590364), (20, 7295182), (29, 5031160), (40, 3647591), (58, 2515580), (73, 1998680), (116, 1257790), (145, 1006232), (146, 999340), (232, 628895), (290, 503116), (292, 499670), (365, 399736), (580, 251558), (584, 249835), (730, 199868), (1160, 125779), (1460, 99934), (1723, 84680), (2117, 68920), (2920, 49967), (3446, 42340), (4234, 34460), (6892, 21170), (8468, 17230), (8615, 16936), (10585, 13784)]