2098981720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{607}}^1$

素因数の和:929

約数の個数: 128

約数和(自身を含む): 5358182400

約数和(自身を除く): 3259200680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 271, 290, 319, 440, 542, 580, 607, 638, 1084, 1160, 1214, 1276, 1355, 1595, 2168, 2428, 2552, 2710, 2981, 3035, 3190, 4856, 5420, 5962, 6070, 6380, 6677, 7859, 10840, 11924, 12140, 12760, 13354, 14905, 15718, 17603, 23848, 24280, 26708, 29810, 31436, 33385, 35206, 39295, 53416, 59620, 62872, 66770, 70412, 78590, 86449, 88015, 119240, 133540, 140824, 157180, 164497, 172898, 176030, 193633, 267080, 314360, 328994, 345796, 352060, 387266, 432245, 657988, 691592, 704120, 774532, 822485, 864490, 968165, 1315976, 1549064, 1644970, 1728980, 1809467, 1936330, 3289940, 3457960, 3618934, 3872660, 4770413, 6579880, 7237868, 7745320, 9047335, 9540826, 14475736, 18094670, 19081652, 23852065, 36189340, 38163304, 47704130, 52474543, 72378680, 95408260, 104949086, 190816520, 209898172, 262372715, 419796344, 524745430, 1049490860, 2098981720]

約数ペア:

[(1, 2098981720), (2, 1049490860), (4, 524745430), (5, 419796344), (8, 262372715), (10, 209898172), (11, 190816520), (20, 104949086), (22, 95408260), (29, 72378680), (40, 52474543), (44, 47704130), (55, 38163304), (58, 36189340), (88, 23852065), (110, 19081652), (116, 18094670), (145, 14475736), (220, 9540826), (232, 9047335), (271, 7745320), (290, 7237868), (319, 6579880), (440, 4770413), (542, 3872660), (580, 3618934), (607, 3457960), (638, 3289940), (1084, 1936330), (1160, 1809467), (1214, 1728980), (1276, 1644970), (1355, 1549064), (1595, 1315976), (2168, 968165), (2428, 864490), (2552, 822485), (2710, 774532), (2981, 704120), (3035, 691592), (3190, 657988), (4856, 432245), (5420, 387266), (5962, 352060), (6070, 345796), (6380, 328994), (6677, 314360), (7859, 267080), (10840, 193633), (11924, 176030), (12140, 172898), (12760, 164497), (13354, 157180), (14905, 140824), (15718, 133540), (17603, 119240), (23848, 88015), (24280, 86449), (26708, 78590), (29810, 70412), (31436, 66770), (33385, 62872), (35206, 59620), (39295, 53416)]