157420000

素因数分解:

$2^5\times 5^4\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:510

約数の個数: 120

約数和(自身を含む): 410943456

約数和(自身を除く): 253523456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 125, 136, 160, 170, 200, 250, 272, 340, 400, 425, 463, 500, 544, 625, 680, 800, 850, 926, 1000, 1250, 1360, 1700, 1852, 2000, 2125, 2315, 2500, 2720, 3400, 3704, 4000, 4250, 4630, 5000, 6800, 7408, 7871, 8500, 9260, 10000, 10625, 11575, 13600, 14816, 15742, 17000, 18520, 20000, 21250, 23150, 31484, 34000, 37040, 39355, 42500, 46300, 57875, 62968, 68000, 74080, 78710, 85000, 92600, 115750, 125936, 157420, 170000, 185200, 196775, 231500, 251872, 289375, 314840, 340000, 370400, 393550, 463000, 578750, 629680, 787100, 926000, 983875, 1157500, 1259360, 1574200, 1852000, 1967750, 2315000, 3148400, 3935500, 4630000, 4919375, 6296800, 7871000, 9260000, 9838750, 15742000, 19677500, 31484000, 39355000, 78710000, 157420000]

約数ペア:

[(1, 157420000), (2, 78710000), (4, 39355000), (5, 31484000), (8, 19677500), (10, 15742000), (16, 9838750), (17, 9260000), (20, 7871000), (25, 6296800), (32, 4919375), (34, 4630000), (40, 3935500), (50, 3148400), (68, 2315000), (80, 1967750), (85, 1852000), (100, 1574200), (125, 1259360), (136, 1157500), (160, 983875), (170, 926000), (200, 787100), (250, 629680), (272, 578750), (340, 463000), (400, 393550), (425, 370400), (463, 340000), (500, 314840), (544, 289375), (625, 251872), (680, 231500), (800, 196775), (850, 185200), (926, 170000), (1000, 157420), (1250, 125936), (1360, 115750), (1700, 92600), (1852, 85000), (2000, 78710), (2125, 74080), (2315, 68000), (2500, 62968), (2720, 57875), (3400, 46300), (3704, 42500), (4000, 39355), (4250, 37040), (4630, 34000), (5000, 31484), (6800, 23150), (7408, 21250), (7871, 20000), (8500, 18520), (9260, 17000), (10000, 15742), (10625, 14816), (11575, 13600)]