90804740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4919}}^1$

素因数の和:5012

約数の個数: 48

約数和(自身を含む): 208293120

約数和(自身を除く): 117488380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 4919, 9230, 9838, 18460, 19676, 24595, 49190, 63947, 98380, 127894, 255788, 319735, 349249, 639470, 698498, 1278940, 1396996, 1746245, 3492490, 4540237, 6984980, 9080474, 18160948, 22701185, 45402370, 90804740]

約数ペア:

[(1, 90804740), (2, 45402370), (4, 22701185), (5, 18160948), (10, 9080474), (13, 6984980), (20, 4540237), (26, 3492490), (52, 1746245), (65, 1396996), (71, 1278940), (130, 698498), (142, 639470), (260, 349249), (284, 319735), (355, 255788), (710, 127894), (923, 98380), (1420, 63947), (1846, 49190), (3692, 24595), (4615, 19676), (4919, 18460), (9230, 9838)]