1938274020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{250423}}^1$

素因数の和:250481

約数の個数: 72

約数和(自身を含む): 6016186176

約数和(自身を除く): 4077912156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 250423, 500846, 751269, 1001692, 1252115, 1502538, 2253807, 2504230, 3005076, 3756345, 4507614, 5008460, 7512690, 9015228, 10768189, 11269035, 15025380, 21536378, 22538070, 32304567, 43072756, 45076140, 53840945, 64609134, 96913701, 107681890, 129218268, 161522835, 193827402, 215363780, 323045670, 387654804, 484568505, 646091340, 969137010, 1938274020]

約数ペア:

[(1, 1938274020), (2, 969137010), (3, 646091340), (4, 484568505), (5, 387654804), (6, 323045670), (9, 215363780), (10, 193827402), (12, 161522835), (15, 129218268), (18, 107681890), (20, 96913701), (30, 64609134), (36, 53840945), (43, 45076140), (45, 43072756), (60, 32304567), (86, 22538070), (90, 21536378), (129, 15025380), (172, 11269035), (180, 10768189), (215, 9015228), (258, 7512690), (387, 5008460), (430, 4507614), (516, 3756345), (645, 3005076), (774, 2504230), (860, 2253807), (1290, 1502538), (1548, 1252115), (1935, 1001692), (2580, 751269), (3870, 500846), (7740, 250423)]