78969400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 194273280

約数和(自身を除く): 115303880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 47, 50, 62, 94, 100, 124, 155, 188, 200, 235, 248, 271, 310, 376, 470, 542, 620, 775, 940, 1084, 1175, 1240, 1355, 1457, 1550, 1880, 2168, 2350, 2710, 2914, 3100, 4700, 5420, 5828, 6200, 6775, 7285, 8401, 9400, 10840, 11656, 12737, 13550, 14570, 16802, 25474, 27100, 29140, 33604, 36425, 42005, 50948, 54200, 58280, 63685, 67208, 72850, 84010, 101896, 127370, 145700, 168020, 210025, 254740, 291400, 318425, 336040, 394847, 420050, 509480, 636850, 789694, 840100, 1273700, 1579388, 1680200, 1974235, 2547400, 3158776, 3948470, 7896940, 9871175, 15793880, 19742350, 39484700, 78969400]

約数ペア:

[(1, 78969400), (2, 39484700), (4, 19742350), (5, 15793880), (8, 9871175), (10, 7896940), (20, 3948470), (25, 3158776), (31, 2547400), (40, 1974235), (47, 1680200), (50, 1579388), (62, 1273700), (94, 840100), (100, 789694), (124, 636850), (155, 509480), (188, 420050), (200, 394847), (235, 336040), (248, 318425), (271, 291400), (310, 254740), (376, 210025), (470, 168020), (542, 145700), (620, 127370), (775, 101896), (940, 84010), (1084, 72850), (1175, 67208), (1240, 63685), (1355, 58280), (1457, 54200), (1550, 50948), (1880, 42005), (2168, 36425), (2350, 33604), (2710, 29140), (2914, 27100), (3100, 25474), (4700, 16802), (5420, 14570), (5828, 13550), (6200, 12737), (6775, 11656), (7285, 10840), (8401, 9400)]