68274020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 148176000

約数和(自身を除く): 79901980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 139, 164, 205, 278, 410, 556, 599, 695, 820, 1198, 1390, 2396, 2780, 2995, 5699, 5990, 11398, 11980, 22796, 24559, 28495, 49118, 56990, 83261, 98236, 113980, 122795, 166522, 245590, 333044, 416305, 491180, 832610, 1665220, 3413701, 6827402, 13654804, 17068505, 34137010, 68274020]

約数ペア:

[(1, 68274020), (2, 34137010), (4, 17068505), (5, 13654804), (10, 6827402), (20, 3413701), (41, 1665220), (82, 832610), (139, 491180), (164, 416305), (205, 333044), (278, 245590), (410, 166522), (556, 122795), (599, 113980), (695, 98236), (820, 83261), (1198, 56990), (1390, 49118), (2396, 28495), (2780, 24559), (2995, 22796), (5699, 11980), (5990, 11398)]