198323120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 479493120

約数和(自身を除く): 281170000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 211, 248, 310, 379, 422, 496, 620, 758, 844, 1055, 1240, 1516, 1688, 1895, 2110, 2480, 3032, 3376, 3790, 4220, 6064, 6541, 7580, 8440, 11749, 13082, 15160, 16880, 23498, 26164, 30320, 32705, 46996, 52328, 58745, 65410, 79969, 93992, 104656, 117490, 130820, 159938, 187984, 234980, 261640, 319876, 399845, 469960, 523280, 639752, 799690, 939920, 1279504, 1599380, 2479039, 3198760, 4958078, 6397520, 9916156, 12395195, 19832312, 24790390, 39664624, 49580780, 99161560, 198323120]

約数ペア:

[(1, 198323120), (2, 99161560), (4, 49580780), (5, 39664624), (8, 24790390), (10, 19832312), (16, 12395195), (20, 9916156), (31, 6397520), (40, 4958078), (62, 3198760), (80, 2479039), (124, 1599380), (155, 1279504), (211, 939920), (248, 799690), (310, 639752), (379, 523280), (422, 469960), (496, 399845), (620, 319876), (758, 261640), (844, 234980), (1055, 187984), (1240, 159938), (1516, 130820), (1688, 117490), (1895, 104656), (2110, 93992), (2480, 79969), (3032, 65410), (3376, 58745), (3790, 52328), (4220, 46996), (6064, 32705), (6541, 30320), (7580, 26164), (8440, 23498), (11749, 16880), (13082, 15160)]