19879500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 60016320

約数和(自身を除く): 40136820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 125, 145, 150, 174, 250, 290, 300, 348, 375, 435, 457, 500, 580, 725, 750, 870, 914, 1371, 1450, 1500, 1740, 1828, 2175, 2285, 2742, 2900, 3625, 4350, 4570, 5484, 6855, 7250, 8700, 9140, 10875, 11425, 13253, 13710, 14500, 21750, 22850, 26506, 27420, 34275, 39759, 43500, 45700, 53012, 57125, 66265, 68550, 79518, 114250, 132530, 137100, 159036, 171375, 198795, 228500, 265060, 331325, 342750, 397590, 662650, 685500, 795180, 993975, 1325300, 1656625, 1987950, 3313250, 3975900, 4969875, 6626500, 9939750, 19879500]

約数ペア:

[(1, 19879500), (2, 9939750), (3, 6626500), (4, 4969875), (5, 3975900), (6, 3313250), (10, 1987950), (12, 1656625), (15, 1325300), (20, 993975), (25, 795180), (29, 685500), (30, 662650), (50, 397590), (58, 342750), (60, 331325), (75, 265060), (87, 228500), (100, 198795), (116, 171375), (125, 159036), (145, 137100), (150, 132530), (174, 114250), (250, 79518), (290, 68550), (300, 66265), (348, 57125), (375, 53012), (435, 45700), (457, 43500), (500, 39759), (580, 34275), (725, 27420), (750, 26506), (870, 22850), (914, 21750), (1371, 14500), (1450, 13710), (1500, 13253), (1740, 11425), (1828, 10875), (2175, 9140), (2285, 8700), (2742, 7250), (2900, 6855), (3625, 5484), (4350, 4570)]