812879130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 2292364800

約数和(自身を除く): 1479485670

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 197, 210, 245, 294, 343, 394, 401, 490, 591, 686, 735, 802, 985, 1029, 1182, 1203, 1379, 1470, 1715, 1970, 2005, 2058, 2406, 2758, 2807, 2955, 3430, 4010, 4137, 5145, 5614, 5910, 6015, 6895, 8274, 8421, 9653, 10290, 12030, 13790, 14035, 16842, 19306, 19649, 20685, 28070, 28959, 39298, 41370, 42105, 48265, 57918, 58947, 67571, 78997, 84210, 96530, 98245, 117894, 135142, 137543, 144795, 157994, 196490, 202713, 236991, 275086, 289590, 294735, 337855, 394985, 405426, 412629, 473982, 552979, 589470, 675710, 687715, 789970, 825258, 1013565, 1105958, 1184955, 1375430, 1658937, 2027130, 2063145, 2369910, 2764895, 3317874, 3870853, 4126290, 5529790, 7741706, 8294685, 11612559, 16589370, 19354265, 23225118, 27095971, 38708530, 54191942, 58062795, 81287913, 116125590, 135479855, 162575826, 270959710, 406439565, 812879130]

約数ペア:

[(1, 812879130), (2, 406439565), (3, 270959710), (5, 162575826), (6, 135479855), (7, 116125590), (10, 81287913), (14, 58062795), (15, 54191942), (21, 38708530), (30, 27095971), (35, 23225118), (42, 19354265), (49, 16589370), (70, 11612559), (98, 8294685), (105, 7741706), (147, 5529790), (197, 4126290), (210, 3870853), (245, 3317874), (294, 2764895), (343, 2369910), (394, 2063145), (401, 2027130), (490, 1658937), (591, 1375430), (686, 1184955), (735, 1105958), (802, 1013565), (985, 825258), (1029, 789970), (1182, 687715), (1203, 675710), (1379, 589470), (1470, 552979), (1715, 473982), (1970, 412629), (2005, 405426), (2058, 394985), (2406, 337855), (2758, 294735), (2807, 289590), (2955, 275086), (3430, 236991), (4010, 202713), (4137, 196490), (5145, 157994), (5614, 144795), (5910, 137543), (6015, 135142), (6895, 117894), (8274, 98245), (8421, 96530), (9653, 84210), (10290, 78997), (12030, 67571), (13790, 58947), (14035, 57918), (16842, 48265), (19306, 42105), (19649, 41370), (20685, 39298), (28070, 28959)]