201280820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 481275648

約数和(自身を除く): 279994828

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 97, 115, 130, 194, 230, 260, 299, 347, 388, 460, 485, 598, 694, 970, 1196, 1261, 1388, 1495, 1735, 1940, 2231, 2522, 2990, 3470, 4462, 4511, 5044, 5980, 6305, 6940, 7981, 8924, 9022, 11155, 12610, 15962, 18044, 22310, 22555, 25220, 29003, 31924, 33659, 39905, 44620, 45110, 58006, 67318, 79810, 90220, 103753, 116012, 134636, 145015, 159620, 168295, 207506, 290030, 336590, 415012, 437567, 518765, 580060, 673180, 774157, 875134, 1037530, 1548314, 1750268, 2075060, 2187835, 3096628, 3870785, 4375670, 7741570, 8751340, 10064041, 15483140, 20128082, 40256164, 50320205, 100640410, 201280820]

約数ペア:

[(1, 201280820), (2, 100640410), (4, 50320205), (5, 40256164), (10, 20128082), (13, 15483140), (20, 10064041), (23, 8751340), (26, 7741570), (46, 4375670), (52, 3870785), (65, 3096628), (92, 2187835), (97, 2075060), (115, 1750268), (130, 1548314), (194, 1037530), (230, 875134), (260, 774157), (299, 673180), (347, 580060), (388, 518765), (460, 437567), (485, 415012), (598, 336590), (694, 290030), (970, 207506), (1196, 168295), (1261, 159620), (1388, 145015), (1495, 134636), (1735, 116012), (1940, 103753), (2231, 90220), (2522, 79810), (2990, 67318), (3470, 58006), (4462, 45110), (4511, 44620), (5044, 39905), (5980, 33659), (6305, 31924), (6940, 29003), (7981, 25220), (8924, 22555), (9022, 22310), (11155, 18044), (12610, 15962)]