200970640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1117}}^1$

素因数の和:1316

約数の個数: 80

約数和(自身を含む): 506561328

約数和(自身を除く): 305590688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 173, 208, 260, 346, 520, 692, 865, 1040, 1117, 1384, 1730, 2234, 2249, 2768, 3460, 4468, 4498, 5585, 6920, 8936, 8996, 11170, 11245, 13840, 14521, 17872, 17992, 22340, 22490, 29042, 35984, 44680, 44980, 58084, 72605, 89360, 89960, 116168, 145210, 179920, 193241, 232336, 290420, 386482, 580840, 772964, 966205, 1161680, 1545928, 1932410, 2512133, 3091856, 3864820, 5024266, 7729640, 10048532, 12560665, 15459280, 20097064, 25121330, 40194128, 50242660, 100485320, 200970640]

約数ペア:

[(1, 200970640), (2, 100485320), (4, 50242660), (5, 40194128), (8, 25121330), (10, 20097064), (13, 15459280), (16, 12560665), (20, 10048532), (26, 7729640), (40, 5024266), (52, 3864820), (65, 3091856), (80, 2512133), (104, 1932410), (130, 1545928), (173, 1161680), (208, 966205), (260, 772964), (346, 580840), (520, 386482), (692, 290420), (865, 232336), (1040, 193241), (1117, 179920), (1384, 145210), (1730, 116168), (2234, 89960), (2249, 89360), (2768, 72605), (3460, 58084), (4468, 44980), (4498, 44680), (5585, 35984), (6920, 29042), (8936, 22490), (8996, 22340), (11170, 17992), (11245, 17872), (13840, 14521)]