980804900

素因数分解:

$2^2\times 5^2\times {\mathrm{1409}}^1\times {\mathrm{6961}}^1$

素因数の和:8384

約数の個数: 36

約数和(自身を含む): 2130163140

約数和(自身を除く): 1149358240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1409, 2818, 5636, 6961, 7045, 13922, 14090, 27844, 28180, 34805, 35225, 69610, 70450, 139220, 140900, 174025, 348050, 696100, 9808049, 19616098, 39232196, 49040245, 98080490, 196160980, 245201225, 490402450, 980804900]

約数ペア:

[(1, 980804900), (2, 490402450), (4, 245201225), (5, 196160980), (10, 98080490), (20, 49040245), (25, 39232196), (50, 19616098), (100, 9808049), (1409, 696100), (2818, 348050), (5636, 174025), (6961, 140900), (7045, 139220), (13922, 70450), (14090, 69610), (27844, 35225), (28180, 34805)]