859880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 2298240

約数和(自身を除く): 1438360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 83, 140, 148, 166, 185, 259, 280, 296, 332, 370, 415, 518, 581, 664, 740, 830, 1036, 1162, 1295, 1480, 1660, 2072, 2324, 2590, 2905, 3071, 3320, 4648, 5180, 5810, 6142, 10360, 11620, 12284, 15355, 21497, 23240, 24568, 30710, 42994, 61420, 85988, 107485, 122840, 171976, 214970, 429940, 859880]

約数ペア:

[(1, 859880), (2, 429940), (4, 214970), (5, 171976), (7, 122840), (8, 107485), (10, 85988), (14, 61420), (20, 42994), (28, 30710), (35, 24568), (37, 23240), (40, 21497), (56, 15355), (70, 12284), (74, 11620), (83, 10360), (140, 6142), (148, 5810), (166, 5180), (185, 4648), (259, 3320), (280, 3071), (296, 2905), (332, 2590), (370, 2324), (415, 2072), (518, 1660), (581, 1480), (664, 1295), (740, 1162), (830, 1036)]