201998260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{739}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 432633600

約数和(自身を除く): 230635340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 173, 316, 346, 395, 692, 739, 790, 865, 1478, 1580, 1730, 2956, 3460, 3695, 7390, 13667, 14780, 27334, 54668, 58381, 68335, 116762, 127847, 136670, 233524, 255694, 273340, 291905, 511388, 583810, 639235, 1167620, 1278470, 2556940, 10099913, 20199826, 40399652, 50499565, 100999130, 201998260]

約数ペア:

[(1, 201998260), (2, 100999130), (4, 50499565), (5, 40399652), (10, 20199826), (20, 10099913), (79, 2556940), (158, 1278470), (173, 1167620), (316, 639235), (346, 583810), (395, 511388), (692, 291905), (739, 273340), (790, 255694), (865, 233524), (1478, 136670), (1580, 127847), (1730, 116762), (2956, 68335), (3460, 58381), (3695, 54668), (7390, 27334), (13667, 14780)]