200145220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21157}}^1$

素因数の和:21220

約数の個数: 48

約数和(自身を含む): 469199808

約数和(自身を除く): 269054588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 21157, 42314, 84628, 105785, 211570, 232727, 423140, 465454, 909751, 930908, 1163635, 1819502, 2327270, 3639004, 4548755, 4654540, 9097510, 10007261, 18195020, 20014522, 40029044, 50036305, 100072610, 200145220]

約数ペア:

[(1, 200145220), (2, 100072610), (4, 50036305), (5, 40029044), (10, 20014522), (11, 18195020), (20, 10007261), (22, 9097510), (43, 4654540), (44, 4548755), (55, 3639004), (86, 2327270), (110, 1819502), (172, 1163635), (215, 930908), (220, 909751), (430, 465454), (473, 423140), (860, 232727), (946, 211570), (1892, 105785), (2365, 84628), (4730, 42314), (9460, 21157)]