164400500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 398151936

約数和(自身を除く): 233751436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 125, 142, 220, 250, 275, 284, 355, 421, 500, 550, 710, 781, 842, 1100, 1375, 1420, 1562, 1684, 1775, 2105, 2750, 3124, 3550, 3905, 4210, 4631, 5500, 7100, 7810, 8420, 8875, 9262, 10525, 15620, 17750, 18524, 19525, 21050, 23155, 29891, 35500, 39050, 42100, 46310, 52625, 59782, 78100, 92620, 97625, 105250, 115775, 119564, 149455, 195250, 210500, 231550, 298910, 328801, 390500, 463100, 578875, 597820, 657602, 747275, 1157750, 1315204, 1494550, 1644005, 2315500, 2989100, 3288010, 3736375, 6576020, 7472750, 8220025, 14945500, 16440050, 32880100, 41100125, 82200250, 164400500]

約数ペア:

[(1, 164400500), (2, 82200250), (4, 41100125), (5, 32880100), (10, 16440050), (11, 14945500), (20, 8220025), (22, 7472750), (25, 6576020), (44, 3736375), (50, 3288010), (55, 2989100), (71, 2315500), (100, 1644005), (110, 1494550), (125, 1315204), (142, 1157750), (220, 747275), (250, 657602), (275, 597820), (284, 578875), (355, 463100), (421, 390500), (500, 328801), (550, 298910), (710, 231550), (781, 210500), (842, 195250), (1100, 149455), (1375, 119564), (1420, 115775), (1562, 105250), (1684, 97625), (1775, 92620), (2105, 78100), (2750, 59782), (3124, 52625), (3550, 46310), (3905, 42100), (4210, 39050), (4631, 35500), (5500, 29891), (7100, 23155), (7810, 21050), (8420, 19525), (8875, 18524), (9262, 17750), (10525, 15620)]