165986300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 383881680

約数和(自身を除く): 217895380

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 251, 340, 389, 425, 502, 778, 850, 1004, 1255, 1556, 1700, 1945, 2510, 3890, 4267, 5020, 6275, 6613, 7780, 8534, 9725, 12550, 13226, 17068, 19450, 21335, 25100, 26452, 33065, 38900, 42670, 66130, 85340, 97639, 106675, 132260, 165325, 195278, 213350, 330650, 390556, 426700, 488195, 661300, 976390, 1659863, 1952780, 2440975, 3319726, 4881950, 6639452, 8299315, 9763900, 16598630, 33197260, 41496575, 82993150, 165986300]

約数ペア:

[(1, 165986300), (2, 82993150), (4, 41496575), (5, 33197260), (10, 16598630), (17, 9763900), (20, 8299315), (25, 6639452), (34, 4881950), (50, 3319726), (68, 2440975), (85, 1952780), (100, 1659863), (170, 976390), (251, 661300), (340, 488195), (389, 426700), (425, 390556), (502, 330650), (778, 213350), (850, 195278), (1004, 165325), (1255, 132260), (1556, 106675), (1700, 97639), (1945, 85340), (2510, 66130), (3890, 42670), (4267, 38900), (5020, 33065), (6275, 26452), (6613, 25100), (7780, 21335), (8534, 19450), (9725, 17068), (12550, 13226)]