27573980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2318

約数の個数: 48

約数和(自身を含む): 66951360

約数和(自身を除く): 39377380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2213, 2492, 3115, 4426, 6230, 8852, 11065, 12460, 15491, 22130, 30982, 44260, 61964, 77455, 154910, 196957, 309820, 393914, 787828, 984785, 1378699, 1969570, 2757398, 3939140, 5514796, 6893495, 13786990, 27573980]

約数ペア:

[(1, 27573980), (2, 13786990), (4, 6893495), (5, 5514796), (7, 3939140), (10, 2757398), (14, 1969570), (20, 1378699), (28, 984785), (35, 787828), (70, 393914), (89, 309820), (140, 196957), (178, 154910), (356, 77455), (445, 61964), (623, 44260), (890, 30982), (1246, 22130), (1780, 15491), (2213, 12460), (2492, 11065), (3115, 8852), (4426, 6230)]