90218940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{214807}}^1$

素因数の和:214826

約数の個数: 48

約数和(自身を含む): 288701952

約数和(自身を除く): 198483012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 214807, 429614, 644421, 859228, 1074035, 1288842, 1503649, 2148070, 2577684, 3007298, 3222105, 4296140, 4510947, 6014596, 6444210, 7518245, 9021894, 12888420, 15036490, 18043788, 22554735, 30072980, 45109470, 90218940]

約数ペア:

[(1, 90218940), (2, 45109470), (3, 30072980), (4, 22554735), (5, 18043788), (6, 15036490), (7, 12888420), (10, 9021894), (12, 7518245), (14, 6444210), (15, 6014596), (20, 4510947), (21, 4296140), (28, 3222105), (30, 3007298), (35, 2577684), (42, 2148070), (60, 1503649), (70, 1288842), (84, 1074035), (105, 859228), (140, 644421), (210, 429614), (420, 214807)]