27821860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 69455232

約数和(自身を除く): 41633372

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 43, 44, 55, 68, 85, 86, 110, 170, 172, 173, 187, 215, 220, 340, 346, 374, 430, 473, 692, 731, 748, 860, 865, 935, 946, 1462, 1730, 1870, 1892, 1903, 2365, 2924, 2941, 3460, 3655, 3740, 3806, 4730, 5882, 7310, 7439, 7612, 8041, 9460, 9515, 11764, 14620, 14705, 14878, 16082, 19030, 29410, 29756, 32164, 32351, 37195, 38060, 40205, 58820, 64702, 74390, 80410, 81829, 126463, 129404, 148780, 160820, 161755, 163658, 252926, 323510, 327316, 409145, 505852, 632315, 647020, 818290, 1264630, 1391093, 1636580, 2529260, 2782186, 5564372, 6955465, 13910930, 27821860]

約数ペア:

[(1, 27821860), (2, 13910930), (4, 6955465), (5, 5564372), (10, 2782186), (11, 2529260), (17, 1636580), (20, 1391093), (22, 1264630), (34, 818290), (43, 647020), (44, 632315), (55, 505852), (68, 409145), (85, 327316), (86, 323510), (110, 252926), (170, 163658), (172, 161755), (173, 160820), (187, 148780), (215, 129404), (220, 126463), (340, 81829), (346, 80410), (374, 74390), (430, 64702), (473, 58820), (692, 40205), (731, 38060), (748, 37195), (860, 32351), (865, 32164), (935, 29756), (946, 29410), (1462, 19030), (1730, 16082), (1870, 14878), (1892, 14705), (1903, 14620), (2365, 11764), (2924, 9515), (2941, 9460), (3460, 8041), (3655, 7612), (3740, 7439), (3806, 7310), (4730, 5882)]