2101806760

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1\times {\mathrm{929}}^1$

素因数の和:1450

約数の個数: 64

約数和(自身を含む): 4776926400

約数和(自身を除く): 2675119640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 347, 652, 694, 815, 929, 1304, 1388, 1630, 1735, 1858, 2776, 3260, 3470, 3716, 4645, 6520, 6940, 7432, 9290, 13880, 18580, 37160, 56561, 113122, 151427, 226244, 282805, 302854, 322363, 452488, 565610, 605708, 644726, 757135, 1131220, 1211416, 1289452, 1514270, 1611815, 2262440, 2578904, 3028540, 3223630, 6057080, 6447260, 12894520, 52545169, 105090338, 210180676, 262725845, 420361352, 525451690, 1050903380, 2101806760]

約数ペア:

[(1, 2101806760), (2, 1050903380), (4, 525451690), (5, 420361352), (8, 262725845), (10, 210180676), (20, 105090338), (40, 52545169), (163, 12894520), (326, 6447260), (347, 6057080), (652, 3223630), (694, 3028540), (815, 2578904), (929, 2262440), (1304, 1611815), (1388, 1514270), (1630, 1289452), (1735, 1211416), (1858, 1131220), (2776, 757135), (3260, 644726), (3470, 605708), (3716, 565610), (4645, 452488), (6520, 322363), (6940, 302854), (7432, 282805), (9290, 226244), (13880, 151427), (18580, 113122), (37160, 56561)]