854985320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{436217}}^1$

素因数の和:436242

約数の個数: 48

約数和(自身を含む): 2237798340

約数和(自身を除く): 1382813020

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, 436217, 872434, 1744868, 2181085, 3053519, 3489736, 4362170, 6107038, 8724340, 12214076, 15267595, 17448680, 21374633, 24428152, 30535190, 42749266, 61070380, 85498532, 106873165, 122140760, 170997064, 213746330, 427492660, 854985320]

約数ペア:

[(1, 854985320), (2, 427492660), (4, 213746330), (5, 170997064), (7, 122140760), (8, 106873165), (10, 85498532), (14, 61070380), (20, 42749266), (28, 30535190), (35, 24428152), (40, 21374633), (49, 17448680), (56, 15267595), (70, 12214076), (98, 8724340), (140, 6107038), (196, 4362170), (245, 3489736), (280, 3053519), (392, 2181085), (490, 1744868), (980, 872434), (1960, 436217)]