89916820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{22147}}^1$

素因数の和:22192

約数の個数: 48

約数和(自身を含む): 223251840

約数和(自身を除く): 133335020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 22147, 44294, 88588, 110735, 155029, 221470, 310058, 442940, 620116, 642263, 775145, 1284526, 1550290, 2569052, 3100580, 3211315, 4495841, 6422630, 8991682, 12845260, 17983364, 22479205, 44958410, 89916820]

約数ペア:

[(1, 89916820), (2, 44958410), (4, 22479205), (5, 17983364), (7, 12845260), (10, 8991682), (14, 6422630), (20, 4495841), (28, 3211315), (29, 3100580), (35, 2569052), (58, 1550290), (70, 1284526), (116, 775145), (140, 642263), (145, 620116), (203, 442940), (290, 310058), (406, 221470), (580, 155029), (812, 110735), (1015, 88588), (2030, 44294), (4060, 22147)]