2077889900

素因数分解:

$2^2\times 5^2\times {\mathrm{227}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 4559708160

約数和(自身を除く): 2481818260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 227, 239, 383, 454, 478, 766, 908, 956, 1135, 1195, 1532, 1915, 2270, 2390, 3830, 4540, 4780, 5675, 5975, 7660, 9575, 11350, 11950, 19150, 22700, 23900, 38300, 54253, 86941, 91537, 108506, 173882, 183074, 217012, 271265, 347764, 366148, 434705, 457685, 542530, 869410, 915370, 1085060, 1356325, 1738820, 1830740, 2173525, 2288425, 2712650, 4347050, 4576850, 5425300, 8694100, 9153700, 20778899, 41557798, 83115596, 103894495, 207788990, 415577980, 519472475, 1038944950, 2077889900]

約数ペア:

[(1, 2077889900), (2, 1038944950), (4, 519472475), (5, 415577980), (10, 207788990), (20, 103894495), (25, 83115596), (50, 41557798), (100, 20778899), (227, 9153700), (239, 8694100), (383, 5425300), (454, 4576850), (478, 4347050), (766, 2712650), (908, 2288425), (956, 2173525), (1135, 1830740), (1195, 1738820), (1532, 1356325), (1915, 1085060), (2270, 915370), (2390, 869410), (3830, 542530), (4540, 457685), (4780, 434705), (5675, 366148), (5975, 347764), (7660, 271265), (9575, 217012), (11350, 183074), (11950, 173882), (19150, 108506), (22700, 91537), (23900, 86941), (38300, 54253)]