84068900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 192654336

約数和(自身を除く): 108585436

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 47, 50, 62, 94, 100, 124, 155, 188, 235, 310, 470, 577, 620, 775, 940, 1154, 1175, 1457, 1550, 2308, 2350, 2885, 2914, 3100, 4700, 5770, 5828, 7285, 11540, 14425, 14570, 17887, 27119, 28850, 29140, 35774, 36425, 54238, 57700, 71548, 72850, 89435, 108476, 135595, 145700, 178870, 271190, 357740, 447175, 542380, 677975, 840689, 894350, 1355950, 1681378, 1788700, 2711900, 3362756, 4203445, 8406890, 16813780, 21017225, 42034450, 84068900]

約数ペア:

[(1, 84068900), (2, 42034450), (4, 21017225), (5, 16813780), (10, 8406890), (20, 4203445), (25, 3362756), (31, 2711900), (47, 1788700), (50, 1681378), (62, 1355950), (94, 894350), (100, 840689), (124, 677975), (155, 542380), (188, 447175), (235, 357740), (310, 271190), (470, 178870), (577, 145700), (620, 135595), (775, 108476), (940, 89435), (1154, 72850), (1175, 71548), (1457, 57700), (1550, 54238), (2308, 36425), (2350, 35774), (2885, 29140), (2914, 28850), (3100, 27119), (4700, 17887), (5770, 14570), (5828, 14425), (7285, 11540)]