131342660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{607}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 286003200

約数和(自身を除く): 154660540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 349, 607, 620, 698, 1214, 1396, 1745, 2428, 3035, 3490, 6070, 6980, 10819, 12140, 18817, 21638, 37634, 43276, 54095, 75268, 94085, 108190, 188170, 211843, 216380, 376340, 423686, 847372, 1059215, 2118430, 4236860, 6567133, 13134266, 26268532, 32835665, 65671330, 131342660]

約数ペア:

[(1, 131342660), (2, 65671330), (4, 32835665), (5, 26268532), (10, 13134266), (20, 6567133), (31, 4236860), (62, 2118430), (124, 1059215), (155, 847372), (310, 423686), (349, 376340), (607, 216380), (620, 211843), (698, 188170), (1214, 108190), (1396, 94085), (1745, 75268), (2428, 54095), (3035, 43276), (3490, 37634), (6070, 21638), (6980, 18817), (10819, 12140)]