198548820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{122561}}^1$

素因数の和:122582

約数の個数: 60

約数和(自身を含む): 622860084

約数和(自身を除く): 424311264

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 122561, 245122, 367683, 490244, 612805, 735366, 1103049, 1225610, 1470732, 1838415, 2206098, 2451220, 3309147, 3676830, 4412196, 5515245, 6618294, 7353660, 9927441, 11030490, 13236588, 16545735, 19854882, 22060980, 33091470, 39709764, 49637205, 66182940, 99274410, 198548820]

約数ペア:

[(1, 198548820), (2, 99274410), (3, 66182940), (4, 49637205), (5, 39709764), (6, 33091470), (9, 22060980), (10, 19854882), (12, 16545735), (15, 13236588), (18, 11030490), (20, 9927441), (27, 7353660), (30, 6618294), (36, 5515245), (45, 4412196), (54, 3676830), (60, 3309147), (81, 2451220), (90, 2206098), (108, 1838415), (135, 1470732), (162, 1225610), (180, 1103049), (270, 735366), (324, 612805), (405, 490244), (540, 367683), (810, 245122), (1620, 122561)]