208575798980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4211}}^1\times {\mathrm{79889}}^1$

素因数の和:84140

約数の個数: 48

約数和(自身を含む): 452251537920

約数和(自身を除く): 243675738940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4211, 8422, 16844, 21055, 42110, 79889, 84220, 130541, 159778, 261082, 319556, 399445, 522164, 652705, 798890, 1305410, 1597780, 2476559, 2610820, 4953118, 9906236, 12382795, 24765590, 49531180, 336412579, 672825158, 1345650316, 1682062895, 3364125790, 6728251580, 10428789949, 20857579898, 41715159796, 52143949745, 104287899490, 208575798980]

約数ペア:

[(1, 208575798980), (2, 104287899490), (4, 52143949745), (5, 41715159796), (10, 20857579898), (20, 10428789949), (31, 6728251580), (62, 3364125790), (124, 1682062895), (155, 1345650316), (310, 672825158), (620, 336412579), (4211, 49531180), (8422, 24765590), (16844, 12382795), (21055, 9906236), (42110, 4953118), (79889, 2610820), (84220, 2476559), (130541, 1597780), (159778, 1305410), (261082, 798890), (319556, 652705), (399445, 522164)]