181822550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:570

約数の個数: 96

約数和(自身を含む): 421848000

約数和(自身を除く): 240025450

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 89, 91, 130, 175, 178, 182, 325, 350, 445, 449, 455, 623, 650, 890, 898, 910, 1157, 1246, 2225, 2245, 2275, 2314, 3115, 3143, 4450, 4490, 4550, 5785, 5837, 6230, 6286, 8099, 11225, 11570, 11674, 15575, 15715, 16198, 22450, 28925, 29185, 31150, 31430, 39961, 40495, 40859, 57850, 58370, 78575, 79922, 80990, 81718, 145925, 157150, 199805, 202475, 204295, 279727, 291850, 399610, 404950, 408590, 519493, 559454, 999025, 1021475, 1038986, 1398635, 1998050, 2042950, 2597465, 2797270, 3636451, 5194930, 6993175, 7272902, 12987325, 13986350, 18182255, 25974650, 36364510, 90911275, 181822550]

約数ペア:

[(1, 181822550), (2, 90911275), (5, 36364510), (7, 25974650), (10, 18182255), (13, 13986350), (14, 12987325), (25, 7272902), (26, 6993175), (35, 5194930), (50, 3636451), (65, 2797270), (70, 2597465), (89, 2042950), (91, 1998050), (130, 1398635), (175, 1038986), (178, 1021475), (182, 999025), (325, 559454), (350, 519493), (445, 408590), (449, 404950), (455, 399610), (623, 291850), (650, 279727), (890, 204295), (898, 202475), (910, 199805), (1157, 157150), (1246, 145925), (2225, 81718), (2245, 80990), (2275, 79922), (2314, 78575), (3115, 58370), (3143, 57850), (4450, 40859), (4490, 40495), (4550, 39961), (5785, 31430), (5837, 31150), (6230, 29185), (6286, 28925), (8099, 22450), (11225, 16198), (11570, 15715), (11674, 15575)]