209831580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{55511}}^1$

素因数の和:55536

約数の個数: 96

約数和(自身を含む): 746081280

約数和(自身を除く): 536249700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 55511, 111022, 166533, 222044, 277555, 333066, 388577, 499599, 555110, 666132, 777154, 832665, 999198, 1110220, 1165731, 1498797, 1554308, 1665330, 1942885, 1998396, 2331462, 2497995, 2997594, 3330660, 3497193, 3885770, 4662924, 4995990, 5828655, 5995188, 6994386, 7493985, 7771540, 9991980, 10491579, 11657310, 13988772, 14987970, 17485965, 20983158, 23314620, 29975940, 34971930, 41966316, 52457895, 69943860, 104915790, 209831580]

約数ペア:

[(1, 209831580), (2, 104915790), (3, 69943860), (4, 52457895), (5, 41966316), (6, 34971930), (7, 29975940), (9, 23314620), (10, 20983158), (12, 17485965), (14, 14987970), (15, 13988772), (18, 11657310), (20, 10491579), (21, 9991980), (27, 7771540), (28, 7493985), (30, 6994386), (35, 5995188), (36, 5828655), (42, 4995990), (45, 4662924), (54, 3885770), (60, 3497193), (63, 3330660), (70, 2997594), (84, 2497995), (90, 2331462), (105, 1998396), (108, 1942885), (126, 1665330), (135, 1554308), (140, 1498797), (180, 1165731), (189, 1110220), (210, 999198), (252, 832665), (270, 777154), (315, 666132), (378, 555110), (420, 499599), (540, 388577), (630, 333066), (756, 277555), (945, 222044), (1260, 166533), (1890, 111022), (3780, 55511)]