19281400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 48813840

約数和(自身を除く): 29532440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 53, 68, 85, 100, 106, 107, 136, 170, 200, 212, 214, 265, 340, 424, 425, 428, 530, 535, 680, 850, 856, 901, 1060, 1070, 1325, 1700, 1802, 1819, 2120, 2140, 2650, 2675, 3400, 3604, 3638, 4280, 4505, 5300, 5350, 5671, 7208, 7276, 9010, 9095, 10600, 10700, 11342, 14552, 18020, 18190, 21400, 22525, 22684, 28355, 36040, 36380, 45050, 45368, 45475, 56710, 72760, 90100, 90950, 96407, 113420, 141775, 180200, 181900, 192814, 226840, 283550, 363800, 385628, 482035, 567100, 771256, 964070, 1134200, 1928140, 2410175, 3856280, 4820350, 9640700, 19281400]

約数ペア:

[(1, 19281400), (2, 9640700), (4, 4820350), (5, 3856280), (8, 2410175), (10, 1928140), (17, 1134200), (20, 964070), (25, 771256), (34, 567100), (40, 482035), (50, 385628), (53, 363800), (68, 283550), (85, 226840), (100, 192814), (106, 181900), (107, 180200), (136, 141775), (170, 113420), (200, 96407), (212, 90950), (214, 90100), (265, 72760), (340, 56710), (424, 45475), (425, 45368), (428, 45050), (530, 36380), (535, 36040), (680, 28355), (850, 22684), (856, 22525), (901, 21400), (1060, 18190), (1070, 18020), (1325, 14552), (1700, 11342), (1802, 10700), (1819, 10600), (2120, 9095), (2140, 9010), (2650, 7276), (2675, 7208), (3400, 5671), (3604, 5350), (3638, 5300), (4280, 4505)]