397165360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6373}}^1$

素因数の和:6446

約数の個数: 80

約数和(自身を含む): 995873760

約数和(自身を除く): 598708400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1520, 1558, 1640, 3116, 3280, 3895, 6232, 6373, 7790, 12464, 12746, 15580, 25492, 31160, 31865, 50984, 62320, 63730, 101968, 121087, 127460, 242174, 254920, 261293, 484348, 509840, 522586, 605435, 968696, 1045172, 1210870, 1306465, 1937392, 2090344, 2421740, 2612930, 4180688, 4843480, 4964567, 5225860, 9686960, 9929134, 10451720, 19858268, 20903440, 24822835, 39716536, 49645670, 79433072, 99291340, 198582680, 397165360]

約数ペア:

[(1, 397165360), (2, 198582680), (4, 99291340), (5, 79433072), (8, 49645670), (10, 39716536), (16, 24822835), (19, 20903440), (20, 19858268), (38, 10451720), (40, 9929134), (41, 9686960), (76, 5225860), (80, 4964567), (82, 4843480), (95, 4180688), (152, 2612930), (164, 2421740), (190, 2090344), (205, 1937392), (304, 1306465), (328, 1210870), (380, 1045172), (410, 968696), (656, 605435), (760, 522586), (779, 509840), (820, 484348), (1520, 261293), (1558, 254920), (1640, 242174), (3116, 127460), (3280, 121087), (3895, 101968), (6232, 63730), (6373, 62320), (7790, 50984), (12464, 31865), (12746, 31160), (15580, 25492)]