2080478500

素因数分解:

$2^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:686

約数の個数: 96

約数和(自身を含む): 4672991232

約数和(自身を除く): 2592512732

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 125, 188, 223, 235, 250, 397, 446, 470, 500, 794, 892, 940, 1115, 1175, 1588, 1985, 2230, 2350, 3970, 4460, 4700, 5575, 5875, 7940, 9925, 10481, 11150, 11750, 18659, 19850, 20962, 22300, 23500, 27875, 37318, 39700, 41924, 49625, 52405, 55750, 74636, 88531, 93295, 99250, 104810, 111500, 177062, 186590, 198500, 209620, 262025, 354124, 373180, 442655, 466475, 524050, 885310, 932950, 1048100, 1310125, 1770620, 1865900, 2213275, 2332375, 2620250, 4160957, 4426550, 4664750, 5240500, 8321914, 8853100, 9329500, 11066375, 16643828, 20804785, 22132750, 41609570, 44265500, 83219140, 104023925, 208047850, 416095700, 520119625, 1040239250, 2080478500]

約数ペア:

[(1, 2080478500), (2, 1040239250), (4, 520119625), (5, 416095700), (10, 208047850), (20, 104023925), (25, 83219140), (47, 44265500), (50, 41609570), (94, 22132750), (100, 20804785), (125, 16643828), (188, 11066375), (223, 9329500), (235, 8853100), (250, 8321914), (397, 5240500), (446, 4664750), (470, 4426550), (500, 4160957), (794, 2620250), (892, 2332375), (940, 2213275), (1115, 1865900), (1175, 1770620), (1588, 1310125), (1985, 1048100), (2230, 932950), (2350, 885310), (3970, 524050), (4460, 466475), (4700, 442655), (5575, 373180), (5875, 354124), (7940, 262025), (9925, 209620), (10481, 198500), (11150, 186590), (11750, 177062), (18659, 111500), (19850, 104810), (20962, 99250), (22300, 93295), (23500, 88531), (27875, 74636), (37318, 55750), (39700, 52405), (41924, 49625)]