195991640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22171}}^1$

素因数の和:22212

約数の個数: 64

約数和(自身を含む): 502860960

約数和(自身を除く): 306869320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 22171, 44342, 88684, 110855, 177368, 221710, 288223, 376907, 443420, 576446, 753814, 886840, 1152892, 1441115, 1507628, 1884535, 2305784, 2882230, 3015256, 3769070, 4899791, 5764460, 7538140, 9799582, 11528920, 15076280, 19599164, 24498955, 39198328, 48997910, 97995820, 195991640]

約数ペア:

[(1, 195991640), (2, 97995820), (4, 48997910), (5, 39198328), (8, 24498955), (10, 19599164), (13, 15076280), (17, 11528920), (20, 9799582), (26, 7538140), (34, 5764460), (40, 4899791), (52, 3769070), (65, 3015256), (68, 2882230), (85, 2305784), (104, 1884535), (130, 1507628), (136, 1441115), (170, 1152892), (221, 886840), (260, 753814), (340, 576446), (442, 443420), (520, 376907), (680, 288223), (884, 221710), (1105, 177368), (1768, 110855), (2210, 88684), (4420, 44342), (8840, 22171)]