90258380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 193922400

約数和(自身を除く): 103664020

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 193, 268, 335, 349, 386, 670, 698, 772, 965, 1340, 1396, 1745, 1930, 3490, 3860, 6980, 12931, 23383, 25862, 46766, 51724, 64655, 67357, 93532, 116915, 129310, 134714, 233830, 258620, 269428, 336785, 467660, 673570, 1347140, 4512919, 9025838, 18051676, 22564595, 45129190, 90258380]

約数ペア:

[(1, 90258380), (2, 45129190), (4, 22564595), (5, 18051676), (10, 9025838), (20, 4512919), (67, 1347140), (134, 673570), (193, 467660), (268, 336785), (335, 269428), (349, 258620), (386, 233830), (670, 134714), (698, 129310), (772, 116915), (965, 93532), (1340, 67357), (1396, 64655), (1745, 51724), (1930, 46766), (3490, 25862), (3860, 23383), (6980, 12931)]