202819820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4813}}^1$

素因数の和:4879

約数の個数: 72

約数和(自身を含む): 507087504

約数和(自身を除く): 304267684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 4813, 6020, 8428, 9626, 10535, 19252, 21070, 24065, 33691, 42140, 48130, 67382, 96260, 134764, 168455, 206959, 235837, 336910, 413918, 471674, 673820, 827836, 943348, 1034795, 1179185, 1448713, 2069590, 2358370, 2897426, 4139180, 4716740, 5794852, 7243565, 10140991, 14487130, 20281982, 28974260, 40563964, 50704955, 101409910, 202819820]

約数ペア:

[(1, 202819820), (2, 101409910), (4, 50704955), (5, 40563964), (7, 28974260), (10, 20281982), (14, 14487130), (20, 10140991), (28, 7243565), (35, 5794852), (43, 4716740), (49, 4139180), (70, 2897426), (86, 2358370), (98, 2069590), (140, 1448713), (172, 1179185), (196, 1034795), (215, 943348), (245, 827836), (301, 673820), (430, 471674), (490, 413918), (602, 336910), (860, 235837), (980, 206959), (1204, 168455), (1505, 134764), (2107, 96260), (3010, 67382), (4214, 48130), (4813, 42140), (6020, 33691), (8428, 24065), (9626, 21070), (10535, 19252)]