2221450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{577}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 5160384

約数和(自身を除く): 2938934

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 577, 770, 1154, 1925, 2885, 3850, 4039, 5770, 6347, 8078, 12694, 14425, 20195, 28850, 31735, 40390, 44429, 63470, 88858, 100975, 158675, 201950, 222145, 317350, 444290, 1110725, 2221450]

約数ペア:

[(1, 2221450), (2, 1110725), (5, 444290), (7, 317350), (10, 222145), (11, 201950), (14, 158675), (22, 100975), (25, 88858), (35, 63470), (50, 44429), (55, 40390), (70, 31735), (77, 28850), (110, 20195), (154, 14425), (175, 12694), (275, 8078), (350, 6347), (385, 5770), (550, 4039), (577, 3850), (770, 2885), (1154, 1925)]