28931857940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2963}}^1\times {\mathrm{15749}}^1$

素因数の和:18752

約数の個数: 48

約数和(自身を含む): 62741952000

約数和(自身を除く): 33810094060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2963, 5926, 11852, 14815, 15749, 29630, 31498, 59260, 62996, 78745, 91853, 157490, 183706, 314980, 367412, 459265, 488219, 918530, 976438, 1837060, 1952876, 2441095, 4882190, 9764380, 46664287, 93328574, 186657148, 233321435, 466642870, 933285740, 1446592897, 2893185794, 5786371588, 7232964485, 14465928970, 28931857940]

約数ペア:

[(1, 28931857940), (2, 14465928970), (4, 7232964485), (5, 5786371588), (10, 2893185794), (20, 1446592897), (31, 933285740), (62, 466642870), (124, 233321435), (155, 186657148), (310, 93328574), (620, 46664287), (2963, 9764380), (5926, 4882190), (11852, 2441095), (14815, 1952876), (15749, 1837060), (29630, 976438), (31498, 918530), (59260, 488219), (62996, 459265), (78745, 367412), (91853, 314980), (157490, 183706)]