2105454680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{421}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 5545687680

約数和(自身を除く): 3440233000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 337, 371, 421, 424, 530, 674, 742, 842, 1060, 1348, 1484, 1684, 1685, 1855, 2105, 2120, 2359, 2696, 2947, 2968, 3368, 3370, 3710, 4210, 4718, 5894, 6740, 7420, 8420, 9436, 11788, 11795, 13480, 14735, 14840, 16840, 17861, 18872, 22313, 23576, 23590, 29470, 35722, 44626, 47180, 58940, 71444, 89252, 89305, 94360, 111565, 117880, 125027, 141877, 142888, 156191, 178504, 178610, 223130, 250054, 283754, 312382, 357220, 446260, 500108, 567508, 624764, 625135, 709385, 714440, 780955, 892520, 993139, 1000216, 1135016, 1249528, 1250270, 1418770, 1561910, 1986278, 2500540, 2837540, 3123820, 3972556, 4965695, 5001080, 5675080, 6247640, 7519481, 7945112, 9931390, 15038962, 19862780, 30077924, 37597405, 39725560, 52636367, 60155848, 75194810, 105272734, 150389620, 210545468, 263181835, 300779240, 421090936, 526363670, 1052727340, 2105454680]

約数ペア:

[(1, 2105454680), (2, 1052727340), (4, 526363670), (5, 421090936), (7, 300779240), (8, 263181835), (10, 210545468), (14, 150389620), (20, 105272734), (28, 75194810), (35, 60155848), (40, 52636367), (53, 39725560), (56, 37597405), (70, 30077924), (106, 19862780), (140, 15038962), (212, 9931390), (265, 7945112), (280, 7519481), (337, 6247640), (371, 5675080), (421, 5001080), (424, 4965695), (530, 3972556), (674, 3123820), (742, 2837540), (842, 2500540), (1060, 1986278), (1348, 1561910), (1484, 1418770), (1684, 1250270), (1685, 1249528), (1855, 1135016), (2105, 1000216), (2120, 993139), (2359, 892520), (2696, 780955), (2947, 714440), (2968, 709385), (3368, 625135), (3370, 624764), (3710, 567508), (4210, 500108), (4718, 446260), (5894, 357220), (6740, 312382), (7420, 283754), (8420, 250054), (9436, 223130), (11788, 178610), (11795, 178504), (13480, 156191), (14735, 142888), (14840, 141877), (16840, 125027), (17861, 117880), (18872, 111565), (22313, 94360), (23576, 89305), (23590, 89252), (29470, 71444), (35722, 58940), (44626, 47180)]