388231700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{133873}}^1$

素因数の和:133916

約数の個数: 36

約数和(自身を含む): 871519740

約数和(自身を除く): 483288040

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 133873, 267746, 535492, 669365, 1338730, 2677460, 3346825, 3882317, 6693650, 7764634, 13387300, 15529268, 19411585, 38823170, 77646340, 97057925, 194115850, 388231700]

約数ペア:

[(1, 388231700), (2, 194115850), (4, 97057925), (5, 77646340), (10, 38823170), (20, 19411585), (25, 15529268), (29, 13387300), (50, 7764634), (58, 6693650), (100, 3882317), (116, 3346825), (145, 2677460), (290, 1338730), (580, 669365), (725, 535492), (1450, 267746), (2900, 133873)]