634725420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{215893}}^1$

素因数の和:215919

約数の個数: 72

約数和(自身を含む): 2067400944

約数和(自身を除く): 1432675524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 215893, 431786, 647679, 863572, 1079465, 1295358, 1511251, 2158930, 2590716, 3022502, 3238395, 4317860, 4533753, 6045004, 6476790, 7556255, 9067506, 10578757, 12953580, 15112510, 18135012, 21157514, 22668765, 30225020, 31736271, 42315028, 45337530, 52893785, 63472542, 90675060, 105787570, 126945084, 158681355, 211575140, 317362710, 634725420]

約数ペア:

[(1, 634725420), (2, 317362710), (3, 211575140), (4, 158681355), (5, 126945084), (6, 105787570), (7, 90675060), (10, 63472542), (12, 52893785), (14, 45337530), (15, 42315028), (20, 31736271), (21, 30225020), (28, 22668765), (30, 21157514), (35, 18135012), (42, 15112510), (49, 12953580), (60, 10578757), (70, 9067506), (84, 7556255), (98, 6476790), (105, 6045004), (140, 4533753), (147, 4317860), (196, 3238395), (210, 3022502), (245, 2590716), (294, 2158930), (420, 1511251), (490, 1295358), (588, 1079465), (735, 863572), (980, 647679), (1470, 431786), (2940, 215893)]