219810708

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 627827200

約数和(自身を除く): 408016492

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 109, 117, 124, 139, 156, 186, 218, 234, 278, 279, 327, 372, 403, 417, 436, 468, 556, 558, 654, 806, 834, 981, 1116, 1209, 1251, 1308, 1417, 1612, 1668, 1807, 1962, 2418, 2502, 2834, 3379, 3614, 3627, 3924, 4251, 4309, 4836, 5004, 5421, 5668, 6758, 7228, 7254, 8502, 8618, 10137, 10842, 12753, 12927, 13516, 14508, 15151, 16263, 17004, 17236, 20274, 21684, 25506, 25854, 30302, 30411, 32526, 38781, 40548, 43927, 45453, 51012, 51708, 56017, 60604, 60822, 65052, 77562, 87854, 90906, 112034, 121644, 131781, 136359, 155124, 168051, 175708, 181812, 196963, 224068, 263562, 272718, 336102, 393926, 395343, 469681, 504153, 527124, 545436, 590889, 672204, 787852, 790686, 939362, 1008306, 1181778, 1409043, 1581372, 1772667, 1878724, 2016612, 2363556, 2818086, 3545334, 4227129, 5636172, 6105853, 7090668, 8454258, 12211706, 16908516, 18317559, 24423412, 36635118, 54952677, 73270236, 109905354, 219810708]

約数ペア:

[(1, 219810708), (2, 109905354), (3, 73270236), (4, 54952677), (6, 36635118), (9, 24423412), (12, 18317559), (13, 16908516), (18, 12211706), (26, 8454258), (31, 7090668), (36, 6105853), (39, 5636172), (52, 4227129), (62, 3545334), (78, 2818086), (93, 2363556), (109, 2016612), (117, 1878724), (124, 1772667), (139, 1581372), (156, 1409043), (186, 1181778), (218, 1008306), (234, 939362), (278, 790686), (279, 787852), (327, 672204), (372, 590889), (403, 545436), (417, 527124), (436, 504153), (468, 469681), (556, 395343), (558, 393926), (654, 336102), (806, 272718), (834, 263562), (981, 224068), (1116, 196963), (1209, 181812), (1251, 175708), (1308, 168051), (1417, 155124), (1612, 136359), (1668, 131781), (1807, 121644), (1962, 112034), (2418, 90906), (2502, 87854), (2834, 77562), (3379, 65052), (3614, 60822), (3627, 60604), (3924, 56017), (4251, 51708), (4309, 51012), (4836, 45453), (5004, 43927), (5421, 40548), (5668, 38781), (6758, 32526), (7228, 30411), (7254, 30302), (8502, 25854), (8618, 25506), (10137, 21684), (10842, 20274), (12753, 17236), (12927, 17004), (13516, 16263), (14508, 15151)]