2388680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 6480000

約数和(自身を除く): 4091320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 449, 532, 665, 760, 898, 1064, 1330, 1796, 2245, 2660, 3143, 3592, 4490, 5320, 6286, 8531, 8980, 12572, 15715, 17062, 17960, 25144, 31430, 34124, 42655, 59717, 62860, 68248, 85310, 119434, 125720, 170620, 238868, 298585, 341240, 477736, 597170, 1194340, 2388680]

約数ペア:

[(1, 2388680), (2, 1194340), (4, 597170), (5, 477736), (7, 341240), (8, 298585), (10, 238868), (14, 170620), (19, 125720), (20, 119434), (28, 85310), (35, 68248), (38, 62860), (40, 59717), (56, 42655), (70, 34124), (76, 31430), (95, 25144), (133, 17960), (140, 17062), (152, 15715), (190, 12572), (266, 8980), (280, 8531), (380, 6286), (449, 5320), (532, 4490), (665, 3592), (760, 3143), (898, 2660), (1064, 2245), (1330, 1796)]