90490120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1103}}^1$

素因数の和:1414

約数の個数: 64

約数和(自身を含む): 233694720

約数和(自身を除く): 143204600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 586, 1103, 1172, 1465, 2051, 2206, 2344, 2930, 4102, 4412, 5515, 5860, 7721, 8204, 8824, 10255, 11030, 11720, 15442, 16408, 20510, 22060, 30884, 38605, 41020, 44120, 61768, 77210, 82040, 154420, 308840, 323179, 646358, 1292716, 1615895, 2262253, 2585432, 3231790, 4524506, 6463580, 9049012, 11311265, 12927160, 18098024, 22622530, 45245060, 90490120]

約数ペア:

[(1, 90490120), (2, 45245060), (4, 22622530), (5, 18098024), (7, 12927160), (8, 11311265), (10, 9049012), (14, 6463580), (20, 4524506), (28, 3231790), (35, 2585432), (40, 2262253), (56, 1615895), (70, 1292716), (140, 646358), (280, 323179), (293, 308840), (586, 154420), (1103, 82040), (1172, 77210), (1465, 61768), (2051, 44120), (2206, 41020), (2344, 38605), (2930, 30884), (4102, 22060), (4412, 20510), (5515, 16408), (5860, 15442), (7721, 11720), (8204, 11030), (8824, 10255)]