990295360

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{683}}^1$

素因数の和:920

約数の個数: 112

約数和(自身を含む): 2476780416

約数和(自身を除く): 1486485056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 197, 230, 320, 368, 394, 460, 683, 736, 788, 920, 985, 1366, 1472, 1576, 1840, 1970, 2732, 3152, 3415, 3680, 3940, 4531, 5464, 6304, 6830, 7360, 7880, 9062, 10928, 12608, 13660, 15709, 15760, 18124, 21856, 22655, 27320, 31418, 31520, 36248, 43712, 45310, 54640, 62836, 63040, 72496, 78545, 90620, 109280, 125672, 134551, 144992, 157090, 181240, 218560, 251344, 269102, 289984, 314180, 362480, 502688, 538204, 628360, 672755, 724960, 1005376, 1076408, 1256720, 1345510, 1449920, 2152816, 2513440, 2691020, 3094673, 4305632, 5026880, 5382040, 6189346, 8611264, 10764080, 12378692, 15473365, 21528160, 24757384, 30946730, 43056320, 49514768, 61893460, 99029536, 123786920, 198059072, 247573840, 495147680, 990295360]

約数ペア:

[(1, 990295360), (2, 495147680), (4, 247573840), (5, 198059072), (8, 123786920), (10, 99029536), (16, 61893460), (20, 49514768), (23, 43056320), (32, 30946730), (40, 24757384), (46, 21528160), (64, 15473365), (80, 12378692), (92, 10764080), (115, 8611264), (160, 6189346), (184, 5382040), (197, 5026880), (230, 4305632), (320, 3094673), (368, 2691020), (394, 2513440), (460, 2152816), (683, 1449920), (736, 1345510), (788, 1256720), (920, 1076408), (985, 1005376), (1366, 724960), (1472, 672755), (1576, 628360), (1840, 538204), (1970, 502688), (2732, 362480), (3152, 314180), (3415, 289984), (3680, 269102), (3940, 251344), (4531, 218560), (5464, 181240), (6304, 157090), (6830, 144992), (7360, 134551), (7880, 125672), (9062, 109280), (10928, 90620), (12608, 78545), (13660, 72496), (15709, 63040), (15760, 62836), (18124, 54640), (21856, 45310), (22655, 43712), (27320, 36248), (31418, 31520)]