203742175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{83}}^2$

素因数の和:209

約数の個数: 54

約数和(自身を含む): 316462632

約数和(自身を除く): 112720457

約数列:

[1, 5, 7, 13, 25, 35, 65, 83, 91, 169, 175, 325, 415, 455, 581, 845, 1079, 1183, 2075, 2275, 2905, 4225, 5395, 5915, 6889, 7553, 14027, 14525, 26975, 29575, 34445, 37765, 48223, 70135, 89557, 98189, 172225, 188825, 241115, 350675, 447785, 490945, 626899, 1164241, 1205575, 2238925, 2454725, 3134495, 5821205, 8149687, 15672475, 29106025, 40748435, 203742175]

約数ペア:

[(1, 203742175), (5, 40748435), (7, 29106025), (13, 15672475), (25, 8149687), (35, 5821205), (65, 3134495), (83, 2454725), (91, 2238925), (169, 1205575), (175, 1164241), (325, 626899), (415, 490945), (455, 447785), (581, 350675), (845, 241115), (1079, 188825), (1183, 172225), (2075, 98189), (2275, 89557), (2905, 70135), (4225, 48223), (5395, 37765), (5915, 34445), (6889, 29575), (7553, 26975), (14027, 14525)]