3638740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 9192960

約数和(自身を除く): 5554220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 79, 94, 98, 140, 158, 188, 196, 235, 245, 316, 329, 395, 470, 490, 553, 658, 790, 940, 980, 1106, 1316, 1580, 1645, 2212, 2303, 2765, 3290, 3713, 3871, 4606, 5530, 6580, 7426, 7742, 9212, 11060, 11515, 14852, 15484, 18565, 19355, 23030, 25991, 37130, 38710, 46060, 51982, 74260, 77420, 103964, 129955, 181937, 259910, 363874, 519820, 727748, 909685, 1819370, 3638740]

約数ペア:

[(1, 3638740), (2, 1819370), (4, 909685), (5, 727748), (7, 519820), (10, 363874), (14, 259910), (20, 181937), (28, 129955), (35, 103964), (47, 77420), (49, 74260), (70, 51982), (79, 46060), (94, 38710), (98, 37130), (140, 25991), (158, 23030), (188, 19355), (196, 18565), (235, 15484), (245, 14852), (316, 11515), (329, 11060), (395, 9212), (470, 7742), (490, 7426), (553, 6580), (658, 5530), (790, 4606), (940, 3871), (980, 3713), (1106, 3290), (1316, 2765), (1580, 2303), (1645, 2212)]