291489400

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 699665040

約数和(自身を除く): 408175640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 107, 200, 212, 214, 257, 265, 424, 428, 514, 530, 535, 856, 1028, 1060, 1070, 1285, 1325, 2056, 2120, 2140, 2570, 2650, 2675, 4280, 5140, 5300, 5350, 5671, 6425, 10280, 10600, 10700, 11342, 12850, 13621, 21400, 22684, 25700, 27242, 27499, 28355, 45368, 51400, 54484, 54998, 56710, 68105, 108968, 109996, 113420, 136210, 137495, 141775, 219992, 226840, 272420, 274990, 283550, 340525, 544840, 549980, 567100, 681050, 687475, 1099960, 1134200, 1362100, 1374950, 1457447, 2724200, 2749900, 2914894, 5499800, 5829788, 7287235, 11659576, 14574470, 29148940, 36436175, 58297880, 72872350, 145744700, 291489400]

約数ペア:

[(1, 291489400), (2, 145744700), (4, 72872350), (5, 58297880), (8, 36436175), (10, 29148940), (20, 14574470), (25, 11659576), (40, 7287235), (50, 5829788), (53, 5499800), (100, 2914894), (106, 2749900), (107, 2724200), (200, 1457447), (212, 1374950), (214, 1362100), (257, 1134200), (265, 1099960), (424, 687475), (428, 681050), (514, 567100), (530, 549980), (535, 544840), (856, 340525), (1028, 283550), (1060, 274990), (1070, 272420), (1285, 226840), (1325, 219992), (2056, 141775), (2120, 137495), (2140, 136210), (2570, 113420), (2650, 109996), (2675, 108968), (4280, 68105), (5140, 56710), (5300, 54998), (5350, 54484), (5671, 51400), (6425, 45368), (10280, 28355), (10600, 27499), (10700, 27242), (11342, 25700), (12850, 22684), (13621, 21400)]