208530080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1087}}^1$

素因数の和:1222

約数の個数: 96

約数和(自身を含む): 542868480

約数和(自身を除く): 334338400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 109, 110, 160, 176, 218, 220, 352, 436, 440, 545, 872, 880, 1087, 1090, 1199, 1744, 1760, 2174, 2180, 2398, 3488, 4348, 4360, 4796, 5435, 5995, 8696, 8720, 9592, 10870, 11957, 11990, 17392, 17440, 19184, 21740, 23914, 23980, 34784, 38368, 43480, 47828, 47960, 59785, 86960, 95656, 95920, 118483, 119570, 173920, 191312, 191840, 236966, 239140, 382624, 473932, 478280, 592415, 947864, 956560, 1184830, 1303313, 1895728, 1913120, 2369660, 2606626, 3791456, 4739320, 5213252, 6516565, 9478640, 10426504, 13033130, 18957280, 20853008, 26066260, 41706016, 52132520, 104265040, 208530080]

約数ペア:

[(1, 208530080), (2, 104265040), (4, 52132520), (5, 41706016), (8, 26066260), (10, 20853008), (11, 18957280), (16, 13033130), (20, 10426504), (22, 9478640), (32, 6516565), (40, 5213252), (44, 4739320), (55, 3791456), (80, 2606626), (88, 2369660), (109, 1913120), (110, 1895728), (160, 1303313), (176, 1184830), (218, 956560), (220, 947864), (352, 592415), (436, 478280), (440, 473932), (545, 382624), (872, 239140), (880, 236966), (1087, 191840), (1090, 191312), (1199, 173920), (1744, 119570), (1760, 118483), (2174, 95920), (2180, 95656), (2398, 86960), (3488, 59785), (4348, 47960), (4360, 47828), (4796, 43480), (5435, 38368), (5995, 34784), (8696, 23980), (8720, 23914), (9592, 21740), (10870, 19184), (11957, 17440), (11990, 17392)]