99901520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 256959000

約数和(自身を除く): 157057480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 149, 170, 232, 272, 289, 290, 298, 340, 464, 493, 578, 580, 596, 680, 745, 986, 1156, 1160, 1192, 1360, 1445, 1490, 1972, 2312, 2320, 2384, 2465, 2533, 2890, 2980, 3944, 4321, 4624, 4930, 5066, 5780, 5960, 7888, 8381, 8642, 9860, 10132, 11560, 11920, 12665, 16762, 17284, 19720, 20264, 21605, 23120, 25330, 33524, 34568, 39440, 40528, 41905, 43061, 43210, 50660, 67048, 69136, 73457, 83810, 86122, 86420, 101320, 134096, 146914, 167620, 172244, 172840, 202640, 215305, 293828, 335240, 344488, 345680, 367285, 430610, 587656, 670480, 688976, 734570, 861220, 1175312, 1248769, 1469140, 1722440, 2497538, 2938280, 3444880, 4995076, 5876560, 6243845, 9990152, 12487690, 19980304, 24975380, 49950760, 99901520]

約数ペア:

[(1, 99901520), (2, 49950760), (4, 24975380), (5, 19980304), (8, 12487690), (10, 9990152), (16, 6243845), (17, 5876560), (20, 4995076), (29, 3444880), (34, 2938280), (40, 2497538), (58, 1722440), (68, 1469140), (80, 1248769), (85, 1175312), (116, 861220), (136, 734570), (145, 688976), (149, 670480), (170, 587656), (232, 430610), (272, 367285), (289, 345680), (290, 344488), (298, 335240), (340, 293828), (464, 215305), (493, 202640), (578, 172840), (580, 172244), (596, 167620), (680, 146914), (745, 134096), (986, 101320), (1156, 86420), (1160, 86122), (1192, 83810), (1360, 73457), (1445, 69136), (1490, 67048), (1972, 50660), (2312, 43210), (2320, 43061), (2384, 41905), (2465, 40528), (2533, 39440), (2890, 34568), (2980, 33524), (3944, 25330), (4321, 23120), (4624, 21605), (4930, 20264), (5066, 19720), (5780, 17284), (5960, 16762), (7888, 12665), (8381, 11920), (8642, 11560), (9860, 10132)]