74867480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 175392000

約数和(自身を除く): 100524520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 173, 248, 310, 346, 349, 620, 692, 698, 865, 1240, 1384, 1396, 1730, 1745, 2792, 3460, 3490, 5363, 6920, 6980, 10726, 10819, 13960, 21452, 21638, 26815, 42904, 43276, 53630, 54095, 60377, 86552, 107260, 108190, 120754, 214520, 216380, 241508, 301885, 432760, 483016, 603770, 1207540, 1871687, 2415080, 3743374, 7486748, 9358435, 14973496, 18716870, 37433740, 74867480]

約数ペア:

[(1, 74867480), (2, 37433740), (4, 18716870), (5, 14973496), (8, 9358435), (10, 7486748), (20, 3743374), (31, 2415080), (40, 1871687), (62, 1207540), (124, 603770), (155, 483016), (173, 432760), (248, 301885), (310, 241508), (346, 216380), (349, 214520), (620, 120754), (692, 108190), (698, 107260), (865, 86552), (1240, 60377), (1384, 54095), (1396, 53630), (1730, 43276), (1745, 42904), (2792, 26815), (3460, 21638), (3490, 21452), (5363, 13960), (6920, 10819), (6980, 10726)]