223868680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{11261}}^1$

素因数の和:11350

約数の個数: 64

約数和(自身を含む): 583822080

約数和(自身を除く): 359953400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 11261, 19880, 22522, 45044, 56305, 78827, 90088, 112610, 157654, 225220, 315308, 394135, 450440, 630616, 788270, 799531, 1576540, 1599062, 3153080, 3198124, 3997655, 5596717, 6396248, 7995310, 11193434, 15990620, 22386868, 27983585, 31981240, 44773736, 55967170, 111934340, 223868680]

約数ペア:

[(1, 223868680), (2, 111934340), (4, 55967170), (5, 44773736), (7, 31981240), (8, 27983585), (10, 22386868), (14, 15990620), (20, 11193434), (28, 7995310), (35, 6396248), (40, 5596717), (56, 3997655), (70, 3198124), (71, 3153080), (140, 1599062), (142, 1576540), (280, 799531), (284, 788270), (355, 630616), (497, 450440), (568, 394135), (710, 315308), (994, 225220), (1420, 157654), (1988, 112610), (2485, 90088), (2840, 78827), (3976, 56305), (4970, 45044), (9940, 22522), (11261, 19880)]