18768031975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{739}}^1$

素因数の和:1013

約数の個数: 96

約数和(自身を含む): 29598105600

約数和(自身を除く): 10830073625

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 79, 167, 175, 275, 385, 395, 553, 739, 835, 869, 1169, 1837, 1925, 1975, 2765, 3695, 4175, 4345, 5173, 5845, 6083, 8129, 9185, 12859, 13193, 13825, 18475, 21725, 25865, 29225, 30415, 40645, 45925, 56903, 58381, 64295, 65965, 92351, 123413, 129325, 145123, 152075, 203225, 284515, 291905, 321475, 329825, 408667, 461755, 617065, 642191, 725615, 863891, 1015861, 1357543, 1422575, 1459525, 2043335, 2308775, 3085325, 3210955, 3628075, 4319455, 4495337, 5079305, 6787715, 9502801, 9749627, 10216675, 16054775, 21597275, 22476685, 25396525, 33938575, 47514005, 48748135, 68247389, 107245897, 112383425, 237570025, 243740675, 341236945, 536229485, 750721279, 1706184725, 2681147425, 3753606395, 18768031975]

約数ペア:

[(1, 18768031975), (5, 3753606395), (7, 2681147425), (11, 1706184725), (25, 750721279), (35, 536229485), (55, 341236945), (77, 243740675), (79, 237570025), (167, 112383425), (175, 107245897), (275, 68247389), (385, 48748135), (395, 47514005), (553, 33938575), (739, 25396525), (835, 22476685), (869, 21597275), (1169, 16054775), (1837, 10216675), (1925, 9749627), (1975, 9502801), (2765, 6787715), (3695, 5079305), (4175, 4495337), (4345, 4319455), (5173, 3628075), (5845, 3210955), (6083, 3085325), (8129, 2308775), (9185, 2043335), (12859, 1459525), (13193, 1422575), (13825, 1357543), (18475, 1015861), (21725, 863891), (25865, 725615), (29225, 642191), (30415, 617065), (40645, 461755), (45925, 408667), (56903, 329825), (58381, 321475), (64295, 291905), (65965, 284515), (92351, 203225), (123413, 152075), (129325, 145123)]