218407360

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9613}}^1$

素因数の和:9701

約数の個数: 56

約数和(自身を含む): 527462496

約数和(自身を除く): 309055136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 9613, 11360, 19226, 22720, 38452, 48065, 76904, 96130, 153808, 192260, 307616, 384520, 615232, 682523, 769040, 1365046, 1538080, 2730092, 3076160, 3412615, 5460184, 6825230, 10920368, 13650460, 21840736, 27300920, 43681472, 54601840, 109203680, 218407360]

約数ペア:

[(1, 218407360), (2, 109203680), (4, 54601840), (5, 43681472), (8, 27300920), (10, 21840736), (16, 13650460), (20, 10920368), (32, 6825230), (40, 5460184), (64, 3412615), (71, 3076160), (80, 2730092), (142, 1538080), (160, 1365046), (284, 769040), (320, 682523), (355, 615232), (568, 384520), (710, 307616), (1136, 192260), (1420, 153808), (2272, 96130), (2840, 76904), (4544, 48065), (5680, 38452), (9613, 22720), (11360, 19226)]