190049375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:645

約数の個数: 40

約数和(自身を含む): 260016768

約数和(自身を除く): 69967393

約数列:

[1, 5, 17, 25, 31, 85, 125, 155, 425, 527, 577, 625, 775, 2125, 2635, 2885, 3875, 9809, 10625, 13175, 14425, 17887, 19375, 49045, 65875, 72125, 89435, 245225, 304079, 329375, 360625, 447175, 1226125, 1520395, 2235875, 6130625, 7601975, 11179375, 38009875, 190049375]

約数ペア:

[(1, 190049375), (5, 38009875), (17, 11179375), (25, 7601975), (31, 6130625), (85, 2235875), (125, 1520395), (155, 1226125), (425, 447175), (527, 360625), (577, 329375), (625, 304079), (775, 245225), (2125, 89435), (2635, 72125), (2885, 65875), (3875, 49045), (9809, 19375), (10625, 17887), (13175, 14425)]