201993429880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11981}}^1\times {\mathrm{38317}}^1$

素因数の和:50320

約数の個数: 64

約数和(自身を含む): 495856378080

約数和(自身を除く): 293862948200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 11981, 23962, 38317, 47924, 59905, 76634, 95848, 119810, 131791, 153268, 191585, 239620, 263582, 306536, 383170, 421487, 479240, 527164, 658955, 766340, 842974, 1054328, 1317910, 1532680, 1685948, 2107435, 2635820, 3371896, 4214870, 5271640, 8429740, 16859480, 459075977, 918151954, 1836303908, 2295379885, 3672607816, 4590759770, 5049835747, 9181519540, 10099671494, 18363039080, 20199342988, 25249178735, 40398685976, 50498357470, 100996714940, 201993429880]

約数ペア:

[(1, 201993429880), (2, 100996714940), (4, 50498357470), (5, 40398685976), (8, 25249178735), (10, 20199342988), (11, 18363039080), (20, 10099671494), (22, 9181519540), (40, 5049835747), (44, 4590759770), (55, 3672607816), (88, 2295379885), (110, 1836303908), (220, 918151954), (440, 459075977), (11981, 16859480), (23962, 8429740), (38317, 5271640), (47924, 4214870), (59905, 3371896), (76634, 2635820), (95848, 2107435), (119810, 1685948), (131791, 1532680), (153268, 1317910), (191585, 1054328), (239620, 842974), (263582, 766340), (306536, 658955), (383170, 527164), (421487, 479240)]