405996948

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:376

約数の個数: 180

約数和(自身を含む): 1251391680

約数和(自身を除く): 845394732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 107, 108, 126, 147, 162, 189, 196, 214, 239, 252, 294, 321, 324, 378, 428, 441, 478, 567, 588, 642, 717, 749, 756, 882, 956, 963, 1134, 1284, 1323, 1434, 1498, 1673, 1764, 1926, 2151, 2247, 2268, 2646, 2868, 2889, 2996, 3346, 3852, 3969, 4302, 4494, 5019, 5243, 5292, 5778, 6453, 6692, 6741, 7938, 8604, 8667, 8988, 10038, 10486, 11556, 11711, 12906, 13482, 15057, 15729, 15876, 17334, 19359, 20076, 20223, 20972, 23422, 25573, 25812, 26964, 30114, 31458, 34668, 35133, 38718, 40446, 45171, 46844, 47187, 51146, 60228, 60669, 62916, 70266, 76719, 77436, 80892, 90342, 94374, 102292, 105399, 121338, 135513, 140532, 141561, 153438, 179011, 180684, 188748, 210798, 230157, 242676, 271026, 283122, 306876, 316197, 358022, 421596, 424683, 460314, 537033, 542052, 566244, 632394, 690471, 716044, 849366, 920628, 948591, 1074066, 1253077, 1264788, 1380942, 1611099, 1698732, 1897182, 2071413, 2148132, 2506154, 2761884, 3222198, 3759231, 3794364, 4142826, 4833297, 5012308, 6444396, 7518462, 8285652, 9666594, 11277693, 14499891, 15036924, 19333188, 22555386, 28999782, 33833079, 45110772, 57999564, 67666158, 101499237, 135332316, 202998474, 405996948]

約数ペア:

[(1, 405996948), (2, 202998474), (3, 135332316), (4, 101499237), (6, 67666158), (7, 57999564), (9, 45110772), (12, 33833079), (14, 28999782), (18, 22555386), (21, 19333188), (27, 15036924), (28, 14499891), (36, 11277693), (42, 9666594), (49, 8285652), (54, 7518462), (63, 6444396), (81, 5012308), (84, 4833297), (98, 4142826), (107, 3794364), (108, 3759231), (126, 3222198), (147, 2761884), (162, 2506154), (189, 2148132), (196, 2071413), (214, 1897182), (239, 1698732), (252, 1611099), (294, 1380942), (321, 1264788), (324, 1253077), (378, 1074066), (428, 948591), (441, 920628), (478, 849366), (567, 716044), (588, 690471), (642, 632394), (717, 566244), (749, 542052), (756, 537033), (882, 460314), (956, 424683), (963, 421596), (1134, 358022), (1284, 316197), (1323, 306876), (1434, 283122), (1498, 271026), (1673, 242676), (1764, 230157), (1926, 210798), (2151, 188748), (2247, 180684), (2268, 179011), (2646, 153438), (2868, 141561), (2889, 140532), (2996, 135513), (3346, 121338), (3852, 105399), (3969, 102292), (4302, 94374), (4494, 90342), (5019, 80892), (5243, 77436), (5292, 76719), (5778, 70266), (6453, 62916), (6692, 60669), (6741, 60228), (7938, 51146), (8604, 47187), (8667, 46844), (8988, 45171), (10038, 40446), (10486, 38718), (11556, 35133), (11711, 34668), (12906, 31458), (13482, 30114), (15057, 26964), (15729, 25812), (15876, 25573), (17334, 23422), (19359, 20972), (20076, 20223)]