405440308

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3881}}^1$

素因数の和:3953

約数の個数: 72

約数和(自身を含む): 910763784

約数和(自身を除く): 505323476

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 49, 52, 82, 91, 98, 164, 182, 196, 287, 364, 533, 574, 637, 1066, 1148, 1274, 2009, 2132, 2548, 3731, 3881, 4018, 7462, 7762, 8036, 14924, 15524, 26117, 27167, 50453, 52234, 54334, 100906, 104468, 108668, 159121, 190169, 201812, 318242, 353171, 380338, 636484, 706342, 760676, 1113847, 1412684, 2068573, 2227694, 2472197, 4137146, 4455388, 4944394, 7796929, 8274292, 9888788, 14480011, 15593858, 28960022, 31187716, 57920044, 101360077, 202720154, 405440308]

約数ペア:

[(1, 405440308), (2, 202720154), (4, 101360077), (7, 57920044), (13, 31187716), (14, 28960022), (26, 15593858), (28, 14480011), (41, 9888788), (49, 8274292), (52, 7796929), (82, 4944394), (91, 4455388), (98, 4137146), (164, 2472197), (182, 2227694), (196, 2068573), (287, 1412684), (364, 1113847), (533, 760676), (574, 706342), (637, 636484), (1066, 380338), (1148, 353171), (1274, 318242), (2009, 201812), (2132, 190169), (2548, 159121), (3731, 108668), (3881, 104468), (4018, 100906), (7462, 54334), (7762, 52234), (8036, 50453), (14924, 27167), (15524, 26117)]