89425780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 212889600

約数和(自身を除く): 123463820

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 109, 127, 170, 190, 218, 254, 323, 340, 380, 436, 508, 545, 635, 646, 1090, 1270, 1292, 1615, 1853, 2071, 2159, 2180, 2413, 2540, 3230, 3706, 4142, 4318, 4826, 6460, 7412, 8284, 8636, 9265, 9652, 10355, 10795, 12065, 13843, 18530, 20710, 21590, 24130, 27686, 35207, 37060, 41021, 41420, 43180, 48260, 55372, 69215, 70414, 82042, 138430, 140828, 164084, 176035, 205105, 235331, 263017, 276860, 352070, 410210, 470662, 526034, 704140, 820420, 941324, 1052068, 1176655, 1315085, 2353310, 2630170, 4471289, 4706620, 5260340, 8942578, 17885156, 22356445, 44712890, 89425780]

約数ペア:

[(1, 89425780), (2, 44712890), (4, 22356445), (5, 17885156), (10, 8942578), (17, 5260340), (19, 4706620), (20, 4471289), (34, 2630170), (38, 2353310), (68, 1315085), (76, 1176655), (85, 1052068), (95, 941324), (109, 820420), (127, 704140), (170, 526034), (190, 470662), (218, 410210), (254, 352070), (323, 276860), (340, 263017), (380, 235331), (436, 205105), (508, 176035), (545, 164084), (635, 140828), (646, 138430), (1090, 82042), (1270, 70414), (1292, 69215), (1615, 55372), (1853, 48260), (2071, 43180), (2159, 41420), (2180, 41021), (2413, 37060), (2540, 35207), (3230, 27686), (3706, 24130), (4142, 21590), (4318, 20710), (4826, 18530), (6460, 13843), (7412, 12065), (8284, 10795), (8636, 10355), (9265, 9652)]