858743620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{5881}}^1$

素因数の和:6053

約数の個数: 72

約数和(自身を含む): 2112226200

約数和(自身を除く): 1253482580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 596, 745, 980, 1043, 1490, 2086, 2980, 4172, 5215, 5881, 7301, 10430, 11762, 14602, 20860, 23524, 29204, 29405, 36505, 41167, 58810, 73010, 82334, 117620, 146020, 164668, 205835, 288169, 411670, 576338, 823340, 876269, 1152676, 1440845, 1752538, 2881690, 3505076, 4381345, 5763380, 6133883, 8762690, 12267766, 17525380, 24535532, 30669415, 42937181, 61338830, 85874362, 122677660, 171748724, 214685905, 429371810, 858743620]

約数ペア:

[(1, 858743620), (2, 429371810), (4, 214685905), (5, 171748724), (7, 122677660), (10, 85874362), (14, 61338830), (20, 42937181), (28, 30669415), (35, 24535532), (49, 17525380), (70, 12267766), (98, 8762690), (140, 6133883), (149, 5763380), (196, 4381345), (245, 3505076), (298, 2881690), (490, 1752538), (596, 1440845), (745, 1152676), (980, 876269), (1043, 823340), (1490, 576338), (2086, 411670), (2980, 288169), (4172, 205835), (5215, 164668), (5881, 146020), (7301, 117620), (10430, 82334), (11762, 73010), (14602, 58810), (20860, 41167), (23524, 36505), (29204, 29405)]