199988040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{238081}}^1$

素因数の和:238102

約数の個数: 64

約数和(自身を含む): 685676160

約数和(自身を除く): 485688120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 238081, 476162, 714243, 952324, 1190405, 1428486, 1666567, 1904648, 2380810, 2856972, 3333134, 3571215, 4761620, 4999701, 5713944, 6666268, 7142430, 8332835, 9523240, 9999402, 13332536, 14284860, 16665670, 19998804, 24998505, 28569720, 33331340, 39997608, 49997010, 66662680, 99994020, 199988040]

約数ペア:

[(1, 199988040), (2, 99994020), (3, 66662680), (4, 49997010), (5, 39997608), (6, 33331340), (7, 28569720), (8, 24998505), (10, 19998804), (12, 16665670), (14, 14284860), (15, 13332536), (20, 9999402), (21, 9523240), (24, 8332835), (28, 7142430), (30, 6666268), (35, 5713944), (40, 4999701), (42, 4761620), (56, 3571215), (60, 3333134), (70, 2856972), (84, 2380810), (105, 1904648), (120, 1666567), (140, 1428486), (168, 1190405), (210, 952324), (280, 714243), (420, 476162), (840, 238081)]