90468890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8369}}^1$

素因数の和:8446

約数の個数: 32

約数和(自身を含む): 173560320

約数和(自身を除く): 83091430

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2162, 5405, 8369, 10810, 16738, 41845, 83690, 192487, 384974, 393343, 786686, 962435, 1924870, 1966715, 3933430, 9046889, 18093778, 45234445, 90468890]

約数ペア:

[(1, 90468890), (2, 45234445), (5, 18093778), (10, 9046889), (23, 3933430), (46, 1966715), (47, 1924870), (94, 962435), (115, 786686), (230, 393343), (235, 384974), (470, 192487), (1081, 83690), (2162, 41845), (5405, 16738), (8369, 10810)]