198466960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1136

約数の個数: 80

約数和(自身を含む): 482826240

約数和(自身を除く): 284359280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 790, 1013, 1240, 1264, 1580, 2026, 2449, 2480, 3160, 4052, 4898, 5065, 6320, 8104, 9796, 10130, 12245, 16208, 19592, 20260, 24490, 31403, 39184, 40520, 48980, 62806, 80027, 81040, 97960, 125612, 157015, 160054, 195920, 251224, 314030, 320108, 400135, 502448, 628060, 640216, 800270, 1256120, 1280432, 1600540, 2480837, 2512240, 3201080, 4961674, 6402160, 9923348, 12404185, 19846696, 24808370, 39693392, 49616740, 99233480, 198466960]

約数ペア:

[(1, 198466960), (2, 99233480), (4, 49616740), (5, 39693392), (8, 24808370), (10, 19846696), (16, 12404185), (20, 9923348), (31, 6402160), (40, 4961674), (62, 3201080), (79, 2512240), (80, 2480837), (124, 1600540), (155, 1280432), (158, 1256120), (248, 800270), (310, 640216), (316, 628060), (395, 502448), (496, 400135), (620, 320108), (632, 314030), (790, 251224), (1013, 195920), (1240, 160054), (1264, 157015), (1580, 125612), (2026, 97960), (2449, 81040), (2480, 80027), (3160, 62806), (4052, 48980), (4898, 40520), (5065, 39184), (6320, 31403), (8104, 24490), (9796, 20260), (10130, 19592), (12245, 16208)]