71118140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 169646400

約数和(自身を除く): 98528260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 101, 109, 170, 190, 202, 218, 323, 340, 380, 404, 436, 505, 545, 646, 1010, 1090, 1292, 1615, 1717, 1853, 1919, 2020, 2071, 2180, 3230, 3434, 3706, 3838, 4142, 6460, 6868, 7412, 7676, 8284, 8585, 9265, 9595, 10355, 11009, 17170, 18530, 19190, 20710, 22018, 32623, 34340, 35207, 37060, 38380, 41420, 44036, 55045, 65246, 70414, 110090, 130492, 140828, 163115, 176035, 187153, 209171, 220180, 326230, 352070, 374306, 418342, 652460, 704140, 748612, 836684, 935765, 1045855, 1871530, 2091710, 3555907, 3743060, 4183420, 7111814, 14223628, 17779535, 35559070, 71118140]

約数ペア:

[(1, 71118140), (2, 35559070), (4, 17779535), (5, 14223628), (10, 7111814), (17, 4183420), (19, 3743060), (20, 3555907), (34, 2091710), (38, 1871530), (68, 1045855), (76, 935765), (85, 836684), (95, 748612), (101, 704140), (109, 652460), (170, 418342), (190, 374306), (202, 352070), (218, 326230), (323, 220180), (340, 209171), (380, 187153), (404, 176035), (436, 163115), (505, 140828), (545, 130492), (646, 110090), (1010, 70414), (1090, 65246), (1292, 55045), (1615, 44036), (1717, 41420), (1853, 38380), (1919, 37060), (2020, 35207), (2071, 34340), (2180, 32623), (3230, 22018), (3434, 20710), (3706, 19190), (3838, 18530), (4142, 17170), (6460, 11009), (6868, 10355), (7412, 9595), (7676, 9265), (8284, 8585)]