686642900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1277}}^1$

素因数の和:1593

約数の個数: 72

約数和(自身を含む): 1575211680

約数和(自身を除く): 888568780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 283, 380, 475, 566, 950, 1132, 1277, 1415, 1900, 2554, 2830, 5108, 5377, 5660, 6385, 7075, 10754, 12770, 14150, 21508, 24263, 25540, 26885, 28300, 31925, 48526, 53770, 63850, 97052, 107540, 121315, 127700, 134425, 242630, 268850, 361391, 485260, 537700, 606575, 722782, 1213150, 1445564, 1806955, 2426300, 3613910, 6866429, 7227820, 9034775, 13732858, 18069550, 27465716, 34332145, 36139100, 68664290, 137328580, 171660725, 343321450, 686642900]

約数ペア:

[(1, 686642900), (2, 343321450), (4, 171660725), (5, 137328580), (10, 68664290), (19, 36139100), (20, 34332145), (25, 27465716), (38, 18069550), (50, 13732858), (76, 9034775), (95, 7227820), (100, 6866429), (190, 3613910), (283, 2426300), (380, 1806955), (475, 1445564), (566, 1213150), (950, 722782), (1132, 606575), (1277, 537700), (1415, 485260), (1900, 361391), (2554, 268850), (2830, 242630), (5108, 134425), (5377, 127700), (5660, 121315), (6385, 107540), (7075, 97052), (10754, 63850), (12770, 53770), (14150, 48526), (21508, 31925), (24263, 28300), (25540, 26885)]