75006980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 163537920

約数和(自身を除く): 88530940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 311, 389, 620, 622, 778, 1244, 1555, 1556, 1945, 3110, 3890, 6220, 7780, 9641, 12059, 19282, 24118, 38564, 48205, 48236, 60295, 96410, 120590, 120979, 192820, 241180, 241958, 483916, 604895, 1209790, 2419580, 3750349, 7500698, 15001396, 18751745, 37503490, 75006980]

約数ペア:

[(1, 75006980), (2, 37503490), (4, 18751745), (5, 15001396), (10, 7500698), (20, 3750349), (31, 2419580), (62, 1209790), (124, 604895), (155, 483916), (310, 241958), (311, 241180), (389, 192820), (620, 120979), (622, 120590), (778, 96410), (1244, 60295), (1555, 48236), (1556, 48205), (1945, 38564), (3110, 24118), (3890, 19282), (6220, 12059), (7780, 9641)]