74935420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{18457}}^1$

素因数の和:18502

約数の個数: 48

約数和(自身を含む): 186056640

約数和(自身を除く): 111121220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 18457, 36914, 73828, 92285, 129199, 184570, 258398, 369140, 516796, 535253, 645995, 1070506, 1291990, 2141012, 2583980, 2676265, 3746771, 5352530, 7493542, 10705060, 14987084, 18733855, 37467710, 74935420]

約数ペア:

[(1, 74935420), (2, 37467710), (4, 18733855), (5, 14987084), (7, 10705060), (10, 7493542), (14, 5352530), (20, 3746771), (28, 2676265), (29, 2583980), (35, 2141012), (58, 1291990), (70, 1070506), (116, 645995), (140, 535253), (145, 516796), (203, 369140), (290, 258398), (406, 184570), (580, 129199), (812, 92285), (1015, 73828), (2030, 36914), (4060, 18457)]