87213800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 217620000

約数和(自身を除く): 130406200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 59, 76, 95, 100, 118, 152, 190, 200, 236, 295, 380, 389, 472, 475, 590, 760, 778, 950, 1121, 1180, 1475, 1556, 1900, 1945, 2242, 2360, 2950, 3112, 3800, 3890, 4484, 5605, 5900, 7391, 7780, 8968, 9725, 11210, 11800, 14782, 15560, 19450, 22420, 22951, 28025, 29564, 36955, 38900, 44840, 45902, 56050, 59128, 73910, 77800, 91804, 112100, 114755, 147820, 183608, 184775, 224200, 229510, 295640, 369550, 436069, 459020, 573775, 739100, 872138, 918040, 1147550, 1478200, 1744276, 2180345, 2295100, 3488552, 4360690, 4590200, 8721380, 10901725, 17442760, 21803450, 43606900, 87213800]

約数ペア:

[(1, 87213800), (2, 43606900), (4, 21803450), (5, 17442760), (8, 10901725), (10, 8721380), (19, 4590200), (20, 4360690), (25, 3488552), (38, 2295100), (40, 2180345), (50, 1744276), (59, 1478200), (76, 1147550), (95, 918040), (100, 872138), (118, 739100), (152, 573775), (190, 459020), (200, 436069), (236, 369550), (295, 295640), (380, 229510), (389, 224200), (472, 184775), (475, 183608), (590, 147820), (760, 114755), (778, 112100), (950, 91804), (1121, 77800), (1180, 73910), (1475, 59128), (1556, 56050), (1900, 45902), (1945, 44840), (2242, 38900), (2360, 36955), (2950, 29564), (3112, 28025), (3800, 22951), (3890, 22420), (4484, 19450), (5605, 15560), (5900, 14782), (7391, 11800), (7780, 11210), (8968, 9725)]