202193680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{449}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 508561200

約数和(自身を除く): 306367520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 433, 449, 520, 866, 898, 1040, 1732, 1796, 2165, 2245, 3464, 3592, 4330, 4490, 5629, 5837, 6928, 7184, 8660, 8980, 11258, 11674, 17320, 17960, 22516, 23348, 28145, 29185, 34640, 35920, 45032, 46696, 56290, 58370, 90064, 93392, 112580, 116740, 194417, 225160, 233480, 388834, 450320, 466960, 777668, 972085, 1555336, 1944170, 2527421, 3110672, 3888340, 5054842, 7776680, 10109684, 12637105, 15553360, 20219368, 25274210, 40438736, 50548420, 101096840, 202193680]

約数ペア:

[(1, 202193680), (2, 101096840), (4, 50548420), (5, 40438736), (8, 25274210), (10, 20219368), (13, 15553360), (16, 12637105), (20, 10109684), (26, 7776680), (40, 5054842), (52, 3888340), (65, 3110672), (80, 2527421), (104, 1944170), (130, 1555336), (208, 972085), (260, 777668), (433, 466960), (449, 450320), (520, 388834), (866, 233480), (898, 225160), (1040, 194417), (1732, 116740), (1796, 112580), (2165, 93392), (2245, 90064), (3464, 58370), (3592, 56290), (4330, 46696), (4490, 45032), (5629, 35920), (5837, 34640), (6928, 29185), (7184, 28145), (8660, 23348), (8980, 22516), (11258, 17960), (11674, 17320)]