72247025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 104457600

約数和(自身を除く): 32210575

約数列:

[1, 5, 17, 19, 23, 25, 85, 95, 115, 323, 389, 391, 425, 437, 475, 575, 1615, 1945, 1955, 2185, 6613, 7391, 7429, 8075, 8947, 9725, 9775, 10925, 33065, 36955, 37145, 44735, 125647, 152099, 165325, 169993, 184775, 185725, 223675, 628235, 760495, 849965, 2889881, 3141175, 3802475, 4249825, 14449405, 72247025]

約数ペア:

[(1, 72247025), (5, 14449405), (17, 4249825), (19, 3802475), (23, 3141175), (25, 2889881), (85, 849965), (95, 760495), (115, 628235), (323, 223675), (389, 185725), (391, 184775), (425, 169993), (437, 165325), (475, 152099), (575, 125647), (1615, 44735), (1945, 37145), (1955, 36955), (2185, 33065), (6613, 10925), (7391, 9775), (7429, 9725), (8075, 8947)]