138173820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{74287}}^1$

素因数の和:74330

約数の個数: 48

約数和(自身を含む): 399372288

約数和(自身を除く): 261198468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 74287, 148574, 222861, 297148, 371435, 445722, 742870, 891444, 1114305, 1485740, 2228610, 2302897, 4457220, 4605794, 6908691, 9211588, 11514485, 13817382, 23028970, 27634764, 34543455, 46057940, 69086910, 138173820]

約数ペア:

[(1, 138173820), (2, 69086910), (3, 46057940), (4, 34543455), (5, 27634764), (6, 23028970), (10, 13817382), (12, 11514485), (15, 9211588), (20, 6908691), (30, 4605794), (31, 4457220), (60, 2302897), (62, 2228610), (93, 1485740), (124, 1114305), (155, 891444), (186, 742870), (310, 445722), (372, 371435), (465, 297148), (620, 222861), (930, 148574), (1860, 74287)]