2780455876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 5744148480

約数和(自身を除く): 2963692604

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 79, 158, 187, 211, 223, 316, 374, 422, 446, 748, 844, 869, 892, 1343, 1738, 2321, 2453, 2686, 3476, 3587, 3791, 4642, 4906, 5372, 7174, 7582, 9284, 9812, 14348, 14773, 15164, 16669, 17617, 29546, 33338, 35234, 39457, 41701, 47053, 59092, 66676, 70468, 78914, 83402, 94106, 157828, 166804, 183359, 188212, 193787, 283373, 299489, 366718, 387574, 517583, 566746, 598978, 733436, 775148, 799901, 1035166, 1133492, 1197956, 1599802, 2070332, 3117103, 3199604, 3294379, 3717187, 6234206, 6588758, 7434374, 8798911, 12468412, 13177516, 14868748, 17597822, 35195644, 40889057, 63192179, 81778114, 126384358, 163556228, 252768716, 695113969, 1390227938, 2780455876]

約数ペア:

[(1, 2780455876), (2, 1390227938), (4, 695113969), (11, 252768716), (17, 163556228), (22, 126384358), (34, 81778114), (44, 63192179), (68, 40889057), (79, 35195644), (158, 17597822), (187, 14868748), (211, 13177516), (223, 12468412), (316, 8798911), (374, 7434374), (422, 6588758), (446, 6234206), (748, 3717187), (844, 3294379), (869, 3199604), (892, 3117103), (1343, 2070332), (1738, 1599802), (2321, 1197956), (2453, 1133492), (2686, 1035166), (3476, 799901), (3587, 775148), (3791, 733436), (4642, 598978), (4906, 566746), (5372, 517583), (7174, 387574), (7582, 366718), (9284, 299489), (9812, 283373), (14348, 193787), (14773, 188212), (15164, 183359), (16669, 166804), (17617, 157828), (29546, 94106), (33338, 83402), (35234, 78914), (39457, 70468), (41701, 66676), (47053, 59092)]