201863125

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 269913600

約数和(自身を除く): 68050475

約数列:

[1, 5, 19, 25, 89, 95, 125, 191, 445, 475, 625, 955, 1691, 2225, 2375, 3629, 4775, 8455, 11125, 11875, 16999, 18145, 23875, 42275, 55625, 84995, 90725, 119375, 211375, 322981, 424975, 453625, 1056875, 1614905, 2124875, 2268125, 8074525, 10624375, 40372625, 201863125]

約数ペア:

[(1, 201863125), (5, 40372625), (19, 10624375), (25, 8074525), (89, 2268125), (95, 2124875), (125, 1614905), (191, 1056875), (445, 453625), (475, 424975), (625, 322981), (955, 211375), (1691, 119375), (2225, 90725), (2375, 84995), (3629, 55625), (4775, 42275), (8455, 23875), (11125, 18145), (11875, 16999)]