131839820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{5639}}^1$

素因数の和:5822

約数の個数: 48

約数和(自身を含む): 318366720

約数和(自身を除く): 186526900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1670, 2338, 3340, 4676, 5639, 5845, 11278, 11690, 22556, 23380, 28195, 39473, 56390, 78946, 112780, 157892, 197365, 394730, 789460, 941713, 1883426, 3766852, 4708565, 6591991, 9417130, 13183982, 18834260, 26367964, 32959955, 65919910, 131839820]

約数ペア:

[(1, 131839820), (2, 65919910), (4, 32959955), (5, 26367964), (7, 18834260), (10, 13183982), (14, 9417130), (20, 6591991), (28, 4708565), (35, 3766852), (70, 1883426), (140, 941713), (167, 789460), (334, 394730), (668, 197365), (835, 157892), (1169, 112780), (1670, 78946), (2338, 56390), (3340, 39473), (4676, 28195), (5639, 23380), (5845, 22556), (11278, 11690)]