311934020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:597

約数の個数: 96

約数和(自身を含む): 738460800

約数和(自身を除く): 426526780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 109, 170, 190, 218, 323, 340, 380, 436, 443, 545, 646, 886, 1090, 1292, 1615, 1772, 1853, 2071, 2180, 2215, 3230, 3706, 4142, 4430, 6460, 7412, 7531, 8284, 8417, 8860, 9265, 10355, 15062, 16834, 18530, 20710, 30124, 33668, 35207, 37060, 37655, 41420, 42085, 48287, 70414, 75310, 84170, 96574, 140828, 143089, 150620, 168340, 176035, 193148, 241435, 286178, 352070, 482870, 572356, 704140, 715445, 820879, 917453, 965740, 1430890, 1641758, 1834906, 2861780, 3283516, 3669812, 4104395, 4587265, 8208790, 9174530, 15596701, 16417580, 18349060, 31193402, 62386804, 77983505, 155967010, 311934020]

約数ペア:

[(1, 311934020), (2, 155967010), (4, 77983505), (5, 62386804), (10, 31193402), (17, 18349060), (19, 16417580), (20, 15596701), (34, 9174530), (38, 8208790), (68, 4587265), (76, 4104395), (85, 3669812), (95, 3283516), (109, 2861780), (170, 1834906), (190, 1641758), (218, 1430890), (323, 965740), (340, 917453), (380, 820879), (436, 715445), (443, 704140), (545, 572356), (646, 482870), (886, 352070), (1090, 286178), (1292, 241435), (1615, 193148), (1772, 176035), (1853, 168340), (2071, 150620), (2180, 143089), (2215, 140828), (3230, 96574), (3706, 84170), (4142, 75310), (4430, 70414), (6460, 48287), (7412, 42085), (7531, 41420), (8284, 37655), (8417, 37060), (8860, 35207), (9265, 33668), (10355, 30124), (15062, 20710), (16834, 18530)]