180013400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1905

約数の個数: 96

約数和(自身を含む): 485326080

約数和(自身を除く): 305312680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 140, 142, 175, 200, 280, 284, 350, 355, 497, 568, 700, 710, 994, 1400, 1420, 1775, 1811, 1988, 2485, 2840, 3550, 3622, 3976, 4970, 7100, 7244, 9055, 9940, 12425, 12677, 14200, 14488, 18110, 19880, 24850, 25354, 36220, 45275, 49700, 50708, 63385, 72440, 90550, 99400, 101416, 126770, 128581, 181100, 253540, 257162, 316925, 362200, 507080, 514324, 633850, 642905, 900067, 1028648, 1267700, 1285810, 1800134, 2535400, 2571620, 3214525, 3600268, 4500335, 5143240, 6429050, 7200536, 9000670, 12858100, 18001340, 22501675, 25716200, 36002680, 45003350, 90006700, 180013400]

約数ペア:

[(1, 180013400), (2, 90006700), (4, 45003350), (5, 36002680), (7, 25716200), (8, 22501675), (10, 18001340), (14, 12858100), (20, 9000670), (25, 7200536), (28, 6429050), (35, 5143240), (40, 4500335), (50, 3600268), (56, 3214525), (70, 2571620), (71, 2535400), (100, 1800134), (140, 1285810), (142, 1267700), (175, 1028648), (200, 900067), (280, 642905), (284, 633850), (350, 514324), (355, 507080), (497, 362200), (568, 316925), (700, 257162), (710, 253540), (994, 181100), (1400, 128581), (1420, 126770), (1775, 101416), (1811, 99400), (1988, 90550), (2485, 72440), (2840, 63385), (3550, 50708), (3622, 49700), (3976, 45275), (4970, 36220), (7100, 25354), (7244, 24850), (9055, 19880), (9940, 18110), (12425, 14488), (12677, 14200)]