198804920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 456412320

約数和(自身を除く): 257607400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 233, 257, 332, 415, 466, 514, 664, 830, 932, 1028, 1165, 1285, 1660, 1864, 2056, 2330, 2570, 3320, 4660, 5140, 9320, 10280, 19339, 21331, 38678, 42662, 59881, 77356, 85324, 96695, 106655, 119762, 154712, 170648, 193390, 213310, 239524, 299405, 386780, 426620, 479048, 598810, 773560, 853240, 1197620, 2395240, 4970123, 9940246, 19880492, 24850615, 39760984, 49701230, 99402460, 198804920]

約数ペア:

[(1, 198804920), (2, 99402460), (4, 49701230), (5, 39760984), (8, 24850615), (10, 19880492), (20, 9940246), (40, 4970123), (83, 2395240), (166, 1197620), (233, 853240), (257, 773560), (332, 598810), (415, 479048), (466, 426620), (514, 386780), (664, 299405), (830, 239524), (932, 213310), (1028, 193390), (1165, 170648), (1285, 154712), (1660, 119762), (1864, 106655), (2056, 96695), (2330, 85324), (2570, 77356), (3320, 59881), (4660, 42662), (5140, 38678), (9320, 21331), (10280, 19339)]