90872620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{349}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 196156800

約数和(自身を除く): 105284180

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 277, 349, 470, 554, 698, 940, 1108, 1385, 1396, 1745, 2770, 3490, 5540, 6980, 13019, 16403, 26038, 32806, 52076, 65095, 65612, 82015, 96673, 130190, 164030, 193346, 260380, 328060, 386692, 483365, 966730, 1933460, 4543631, 9087262, 18174524, 22718155, 45436310, 90872620]

約数ペア:

[(1, 90872620), (2, 45436310), (4, 22718155), (5, 18174524), (10, 9087262), (20, 4543631), (47, 1933460), (94, 966730), (188, 483365), (235, 386692), (277, 328060), (349, 260380), (470, 193346), (554, 164030), (698, 130190), (940, 96673), (1108, 82015), (1385, 65612), (1396, 65095), (1745, 52076), (2770, 32806), (3490, 26038), (5540, 16403), (6980, 13019)]