78368420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4129}}^1$

素因数の和:4224

約数の個数: 48

約数和(自身を含む): 179704560

約数和(自身を除く): 101336140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4129, 4745, 8258, 9490, 16516, 18980, 20645, 41290, 53677, 82580, 107354, 214708, 268385, 301417, 536770, 602834, 1073540, 1205668, 1507085, 3014170, 3918421, 6028340, 7836842, 15673684, 19592105, 39184210, 78368420]

約数ペア:

[(1, 78368420), (2, 39184210), (4, 19592105), (5, 15673684), (10, 7836842), (13, 6028340), (20, 3918421), (26, 3014170), (52, 1507085), (65, 1205668), (73, 1073540), (130, 602834), (146, 536770), (260, 301417), (292, 268385), (365, 214708), (730, 107354), (949, 82580), (1460, 53677), (1898, 41290), (3796, 20645), (4129, 18980), (4745, 16516), (8258, 9490)]