290795988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{26029}}^1$

素因数の和:26069

約数の個数: 72

約数和(自身を含む): 830877600

約数和(自身を除く): 540081612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172, 26029, 52058, 78087, 104116, 156174, 182203, 312348, 364406, 494551, 546609, 728812, 989102, 1093218, 1275421, 1483653, 1978204, 2186436, 2550842, 2967306, 3461857, 3826263, 5101684, 5934612, 6923714, 7652526, 10385571, 13847428, 15305052, 20771142, 24232999, 41542284, 48465998, 72698997, 96931996, 145397994, 290795988]

約数ペア:

[(1, 290795988), (2, 145397994), (3, 96931996), (4, 72698997), (6, 48465998), (7, 41542284), (12, 24232999), (14, 20771142), (19, 15305052), (21, 13847428), (28, 10385571), (38, 7652526), (42, 6923714), (49, 5934612), (57, 5101684), (76, 3826263), (84, 3461857), (98, 2967306), (114, 2550842), (133, 2186436), (147, 1978204), (196, 1483653), (228, 1275421), (266, 1093218), (294, 989102), (399, 728812), (532, 546609), (588, 494551), (798, 364406), (931, 312348), (1596, 182203), (1862, 156174), (2793, 104116), (3724, 78087), (5586, 52058), (11172, 26029)]