211295240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1171}}^1$

素因数の和:1542

約数の個数: 64

約数和(自身を含む): 513898560

約数和(自身を除く): 302603320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 347, 520, 694, 1171, 1388, 1735, 2342, 2776, 3470, 4511, 4684, 5855, 6940, 9022, 9368, 11710, 13880, 15223, 18044, 22555, 23420, 30446, 36088, 45110, 46840, 60892, 76115, 90220, 121784, 152230, 180440, 304460, 406337, 608920, 812674, 1625348, 2031685, 3250696, 4063370, 5282381, 8126740, 10564762, 16253480, 21129524, 26411905, 42259048, 52823810, 105647620, 211295240]

約数ペア:

[(1, 211295240), (2, 105647620), (4, 52823810), (5, 42259048), (8, 26411905), (10, 21129524), (13, 16253480), (20, 10564762), (26, 8126740), (40, 5282381), (52, 4063370), (65, 3250696), (104, 2031685), (130, 1625348), (260, 812674), (347, 608920), (520, 406337), (694, 304460), (1171, 180440), (1388, 152230), (1735, 121784), (2342, 90220), (2776, 76115), (3470, 60892), (4511, 46840), (4684, 45110), (5855, 36088), (6940, 30446), (9022, 23420), (9368, 22555), (11710, 18044), (13880, 15223)]