31312450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:811

約数の個数: 48

約数和(自身を含む): 63745920

約数和(自身を除く): 32433470

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 650, 670, 719, 871, 1438, 1675, 1742, 3350, 3595, 4355, 7190, 8710, 9347, 17975, 18694, 21775, 35950, 43550, 46735, 48173, 93470, 96346, 233675, 240865, 467350, 481730, 626249, 1204325, 1252498, 2408650, 3131245, 6262490, 15656225, 31312450]

約数ペア:

[(1, 31312450), (2, 15656225), (5, 6262490), (10, 3131245), (13, 2408650), (25, 1252498), (26, 1204325), (50, 626249), (65, 481730), (67, 467350), (130, 240865), (134, 233675), (325, 96346), (335, 93470), (650, 48173), (670, 46735), (719, 43550), (871, 35950), (1438, 21775), (1675, 18694), (1742, 17975), (3350, 9347), (3595, 8710), (4355, 7190)]