1618130920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{825577}}^1$

素因数の和:825602

約数の個数: 48

約数和(自身を含む): 4235215140

約数和(自身を除く): 2617084220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 825577, 1651154, 3302308, 4127885, 5779039, 6604616, 8255770, 11558078, 16511540, 23116156, 28895195, 33023080, 40453273, 46232312, 57790390, 80906546, 115580780, 161813092, 202266365, 231161560, 323626184, 404532730, 809065460, 1618130920]

約数ペア:

[(1, 1618130920), (2, 809065460), (4, 404532730), (5, 323626184), (7, 231161560), (8, 202266365), (10, 161813092), (14, 115580780), (20, 80906546), (28, 57790390), (35, 46232312), (40, 40453273), (49, 33023080), (56, 28895195), (70, 23116156), (98, 16511540), (140, 11558078), (196, 8255770), (245, 6604616), (280, 5779039), (392, 4127885), (490, 3302308), (980, 1651154), (1960, 825577)]