387247460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{472253}}^1$

素因数の和:472303

約数の個数: 24

約数和(自身を含む): 833056056

約数和(自身を除く): 445808596

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 472253, 944506, 1889012, 2361265, 4722530, 9445060, 19362373, 38724746, 77449492, 96811865, 193623730, 387247460]

約数ペア:

[(1, 387247460), (2, 193623730), (4, 96811865), (5, 77449492), (10, 38724746), (20, 19362373), (41, 9445060), (82, 4722530), (164, 2361265), (205, 1889012), (410, 944506), (820, 472253)]