201531175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 282035520

約数和(自身を除く): 80504345

約数列:

[1, 5, 17, 23, 25, 53, 85, 115, 265, 389, 391, 425, 575, 901, 1219, 1325, 1945, 1955, 4505, 6095, 6613, 8947, 9725, 9775, 20617, 20723, 22525, 30475, 33065, 44735, 103085, 103615, 152099, 165325, 223675, 350489, 474191, 515425, 518075, 760495, 1752445, 2370955, 3802475, 8061247, 8762225, 11854775, 40306235, 201531175]

約数ペア:

[(1, 201531175), (5, 40306235), (17, 11854775), (23, 8762225), (25, 8061247), (53, 3802475), (85, 2370955), (115, 1752445), (265, 760495), (389, 518075), (391, 515425), (425, 474191), (575, 350489), (901, 223675), (1219, 165325), (1325, 152099), (1945, 103615), (1955, 103085), (4505, 44735), (6095, 33065), (6613, 30475), (8947, 22525), (9725, 20723), (9775, 20617)]