2149179990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{21089}}^1$

素因数の和:21221

約数の個数: 64

約数和(自身を含む): 5345049600

約数和(自身を除く): 3195869610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 79, 86, 129, 158, 215, 237, 258, 395, 430, 474, 645, 790, 1185, 1290, 2370, 3397, 6794, 10191, 16985, 20382, 21089, 33970, 42178, 50955, 63267, 101910, 105445, 126534, 210890, 316335, 632670, 906827, 1666031, 1813654, 2720481, 3332062, 4534135, 4998093, 5440962, 8330155, 9068270, 9996186, 13602405, 16660310, 24990465, 27204810, 49980930, 71639333, 143278666, 214917999, 358196665, 429835998, 716393330, 1074589995, 2149179990]

約数ペア:

[(1, 2149179990), (2, 1074589995), (3, 716393330), (5, 429835998), (6, 358196665), (10, 214917999), (15, 143278666), (30, 71639333), (43, 49980930), (79, 27204810), (86, 24990465), (129, 16660310), (158, 13602405), (215, 9996186), (237, 9068270), (258, 8330155), (395, 5440962), (430, 4998093), (474, 4534135), (645, 3332062), (790, 2720481), (1185, 1813654), (1290, 1666031), (2370, 906827), (3397, 632670), (6794, 316335), (10191, 210890), (16985, 126534), (20382, 105445), (21089, 101910), (33970, 63267), (42178, 50955)]