149320180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{457}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 343824264

約数和(自身を除く): 194504084

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 457, 527, 620, 914, 961, 1054, 1828, 1922, 2108, 2285, 2635, 3844, 4570, 4805, 5270, 7769, 9140, 9610, 10540, 14167, 15538, 16337, 19220, 28334, 31076, 32674, 38845, 56668, 65348, 70835, 77690, 81685, 141670, 155380, 163370, 240839, 283340, 326740, 439177, 481678, 878354, 963356, 1204195, 1756708, 2195885, 2408390, 4391770, 4816780, 7466009, 8783540, 14932018, 29864036, 37330045, 74660090, 149320180]

約数ペア:

[(1, 149320180), (2, 74660090), (4, 37330045), (5, 29864036), (10, 14932018), (17, 8783540), (20, 7466009), (31, 4816780), (34, 4391770), (62, 2408390), (68, 2195885), (85, 1756708), (124, 1204195), (155, 963356), (170, 878354), (310, 481678), (340, 439177), (457, 326740), (527, 283340), (620, 240839), (914, 163370), (961, 155380), (1054, 141670), (1828, 81685), (1922, 77690), (2108, 70835), (2285, 65348), (2635, 56668), (3844, 38845), (4570, 32674), (4805, 31076), (5270, 28334), (7769, 19220), (9140, 16337), (9610, 15538), (10540, 14167)]