67647100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 154365120

約数和(自身を除く): 86718020

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 47, 50, 74, 94, 100, 148, 185, 188, 235, 370, 389, 470, 740, 778, 925, 940, 1175, 1556, 1739, 1850, 1945, 2350, 3478, 3700, 3890, 4700, 6956, 7780, 8695, 9725, 14393, 17390, 18283, 19450, 28786, 34780, 36566, 38900, 43475, 57572, 71965, 73132, 86950, 91415, 143930, 173900, 182830, 287860, 359825, 365660, 457075, 676471, 719650, 914150, 1352942, 1439300, 1828300, 2705884, 3382355, 6764710, 13529420, 16911775, 33823550, 67647100]

約数ペア:

[(1, 67647100), (2, 33823550), (4, 16911775), (5, 13529420), (10, 6764710), (20, 3382355), (25, 2705884), (37, 1828300), (47, 1439300), (50, 1352942), (74, 914150), (94, 719650), (100, 676471), (148, 457075), (185, 365660), (188, 359825), (235, 287860), (370, 182830), (389, 173900), (470, 143930), (740, 91415), (778, 86950), (925, 73132), (940, 71965), (1175, 57572), (1556, 43475), (1739, 38900), (1850, 36566), (1945, 34780), (2350, 28786), (3478, 19450), (3700, 18283), (3890, 17390), (4700, 14393), (6956, 9725), (7780, 8695)]