1820194140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{978599}}^1$

素因数の和:978642

約数の個数: 48

約数和(自身を含む): 5260953600

約数和(自身を除く): 3440759460

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, 978599, 1957198, 2935797, 3914396, 4892995, 5871594, 9785990, 11743188, 14678985, 19571980, 29357970, 30336569, 58715940, 60673138, 91009707, 121346276, 151682845, 182019414, 303365690, 364038828, 455048535, 606731380, 910097070, 1820194140]

約数ペア:

[(1, 1820194140), (2, 910097070), (3, 606731380), (4, 455048535), (5, 364038828), (6, 303365690), (10, 182019414), (12, 151682845), (15, 121346276), (20, 91009707), (30, 60673138), (31, 58715940), (60, 30336569), (62, 29357970), (93, 19571980), (124, 14678985), (155, 11743188), (186, 9785990), (310, 5871594), (372, 4892995), (465, 3914396), (620, 2935797), (930, 1957198), (1860, 978599)]