90168775

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 120377712

約数和(自身を除く): 30208937

約数列:

[1, 5, 19, 25, 95, 97, 103, 361, 475, 485, 515, 1805, 1843, 1957, 2425, 2575, 9025, 9215, 9785, 9991, 35017, 37183, 46075, 48925, 49955, 175085, 185915, 189829, 249775, 875425, 929575, 949145, 3606751, 4745725, 18033755, 90168775]

約数ペア:

[(1, 90168775), (5, 18033755), (19, 4745725), (25, 3606751), (95, 949145), (97, 929575), (103, 875425), (361, 249775), (475, 189829), (485, 185915), (515, 175085), (1805, 49955), (1843, 48925), (1957, 46075), (2425, 37183), (2575, 35017), (9025, 9991), (9215, 9785)]