245705080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5393}}^1$

素因数の和:5488

約数の個数: 64

約数和(自身を含む): 594203040

約数和(自身を除く): 348497960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 670, 680, 1139, 1340, 2278, 2680, 4556, 5393, 5695, 9112, 10786, 11390, 21572, 22780, 26965, 43144, 45560, 53930, 91681, 107860, 183362, 215720, 361331, 366724, 458405, 722662, 733448, 916810, 1445324, 1806655, 1833620, 2890648, 3613310, 3667240, 6142627, 7226620, 12285254, 14453240, 24570508, 30713135, 49141016, 61426270, 122852540, 245705080]

約数ペア:

[(1, 245705080), (2, 122852540), (4, 61426270), (5, 49141016), (8, 30713135), (10, 24570508), (17, 14453240), (20, 12285254), (34, 7226620), (40, 6142627), (67, 3667240), (68, 3613310), (85, 2890648), (134, 1833620), (136, 1806655), (170, 1445324), (268, 916810), (335, 733448), (340, 722662), (536, 458405), (670, 366724), (680, 361331), (1139, 215720), (1340, 183362), (2278, 107860), (2680, 91681), (4556, 53930), (5393, 45560), (5695, 43144), (9112, 26965), (10786, 22780), (11390, 21572)]