201533740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 431222400

約数和(自身を除く): 229688660

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 229, 316, 395, 458, 557, 790, 916, 1114, 1145, 1580, 2228, 2290, 2785, 4580, 5570, 11140, 18091, 36182, 44003, 72364, 88006, 90455, 127553, 176012, 180910, 220015, 255106, 361820, 440030, 510212, 637765, 880060, 1275530, 2551060, 10076687, 20153374, 40306748, 50383435, 100766870, 201533740]

約数ペア:

[(1, 201533740), (2, 100766870), (4, 50383435), (5, 40306748), (10, 20153374), (20, 10076687), (79, 2551060), (158, 1275530), (229, 880060), (316, 637765), (395, 510212), (458, 440030), (557, 361820), (790, 255106), (916, 220015), (1114, 180910), (1145, 176012), (1580, 127553), (2228, 90455), (2290, 88006), (2785, 72364), (4580, 44003), (5570, 36182), (11140, 18091)]