40572980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2179}}^1$

素因数の和:2221

約数の個数: 72

約数和(自身を含む): 104378400

約数和(自身を除く): 63805420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2179, 2660, 3724, 4358, 4655, 8716, 9310, 10895, 15253, 18620, 21790, 30506, 41401, 43580, 61012, 76265, 82802, 106771, 152530, 165604, 207005, 213542, 289807, 305060, 414010, 427084, 533855, 579614, 828020, 1067710, 1159228, 1449035, 2028649, 2135420, 2898070, 4057298, 5796140, 8114596, 10143245, 20286490, 40572980]

約数ペア:

[(1, 40572980), (2, 20286490), (4, 10143245), (5, 8114596), (7, 5796140), (10, 4057298), (14, 2898070), (19, 2135420), (20, 2028649), (28, 1449035), (35, 1159228), (38, 1067710), (49, 828020), (70, 579614), (76, 533855), (95, 427084), (98, 414010), (133, 305060), (140, 289807), (190, 213542), (196, 207005), (245, 165604), (266, 152530), (380, 106771), (490, 82802), (532, 76265), (665, 61012), (931, 43580), (980, 41401), (1330, 30506), (1862, 21790), (2179, 18620), (2660, 15253), (3724, 10895), (4358, 9310), (4655, 8716)]