209599790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 402796800

約数和(自身を除く): 193197010

約数列:

[1, 2, 5, 10, 41, 47, 73, 82, 94, 146, 149, 205, 235, 298, 365, 410, 470, 730, 745, 1490, 1927, 2993, 3431, 3854, 5986, 6109, 6862, 7003, 9635, 10877, 12218, 14006, 14965, 17155, 19270, 21754, 29930, 30545, 34310, 35015, 54385, 61090, 70030, 108770, 140671, 281342, 287123, 445957, 511219, 574246, 703355, 891914, 1022438, 1406710, 1435615, 2229785, 2556095, 2871230, 4459570, 5112190, 20959979, 41919958, 104799895, 209599790]

約数ペア:

[(1, 209599790), (2, 104799895), (5, 41919958), (10, 20959979), (41, 5112190), (47, 4459570), (73, 2871230), (82, 2556095), (94, 2229785), (146, 1435615), (149, 1406710), (205, 1022438), (235, 891914), (298, 703355), (365, 574246), (410, 511219), (470, 445957), (730, 287123), (745, 281342), (1490, 140671), (1927, 108770), (2993, 70030), (3431, 61090), (3854, 54385), (5986, 35015), (6109, 34310), (6862, 30545), (7003, 29930), (9635, 21754), (10877, 19270), (12218, 17155), (14006, 14965)]