30742375

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 48

約数和(自身を含む): 43677504

約数和(自身を除く): 12935129

約数列:

[1, 5, 17, 23, 25, 37, 85, 115, 125, 185, 289, 391, 425, 575, 629, 851, 925, 1445, 1955, 2125, 2875, 3145, 4255, 4625, 6647, 7225, 9775, 10693, 14467, 15725, 21275, 33235, 36125, 48875, 53465, 72335, 78625, 106375, 166175, 245939, 267325, 361675, 830875, 1229695, 1336625, 1808375, 6148475, 30742375]

約数ペア:

[(1, 30742375), (5, 6148475), (17, 1808375), (23, 1336625), (25, 1229695), (37, 830875), (85, 361675), (115, 267325), (125, 245939), (185, 166175), (289, 106375), (391, 78625), (425, 72335), (575, 53465), (629, 48875), (851, 36125), (925, 33235), (1445, 21275), (1955, 15725), (2125, 14467), (2875, 10693), (3145, 9775), (4255, 7225), (4625, 6647)]