179376940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 384199200

約数和(自身を除く): 204822260

約数列:

[1, 2, 4, 5, 10, 20, 107, 109, 214, 218, 428, 436, 535, 545, 769, 1070, 1090, 1538, 2140, 2180, 3076, 3845, 7690, 11663, 15380, 23326, 46652, 58315, 82283, 83821, 116630, 164566, 167642, 233260, 329132, 335284, 411415, 419105, 822830, 838210, 1645660, 1676420, 8968847, 17937694, 35875388, 44844235, 89688470, 179376940]

約数ペア:

[(1, 179376940), (2, 89688470), (4, 44844235), (5, 35875388), (10, 17937694), (20, 8968847), (107, 1676420), (109, 1645660), (214, 838210), (218, 822830), (428, 419105), (436, 411415), (535, 335284), (545, 329132), (769, 233260), (1070, 167642), (1090, 164566), (1538, 116630), (2140, 83821), (2180, 82283), (3076, 58315), (3845, 46652), (7690, 23326), (11663, 15380)]