203981711620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{494693}}^1$

素因数の和:495144

約数の個数: 48

約数和(自身を含む): 437566736880

約数和(自身を除く): 233585025260

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 389, 530, 778, 1060, 1556, 1945, 3890, 7780, 20617, 41234, 82468, 103085, 206170, 412340, 494693, 989386, 1978772, 2473465, 4946930, 9893860, 26218729, 52437458, 104874916, 131093645, 192435577, 262187290, 384871154, 524374580, 769742308, 962177885, 1924355770, 3848711540, 10199085581, 20398171162, 40796342324, 50995427905, 101990855810, 203981711620]

約数ペア:

[(1, 203981711620), (2, 101990855810), (4, 50995427905), (5, 40796342324), (10, 20398171162), (20, 10199085581), (53, 3848711540), (106, 1924355770), (212, 962177885), (265, 769742308), (389, 524374580), (530, 384871154), (778, 262187290), (1060, 192435577), (1556, 131093645), (1945, 104874916), (3890, 52437458), (7780, 26218729), (20617, 9893860), (41234, 4946930), (82468, 2473465), (103085, 1978772), (206170, 989386), (412340, 494693)]