381685640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43973}}^1$

素因数の和:44022

約数の個数: 64

約数和(自身を含む): 1013160960

約数和(自身を除く): 631475320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 43973, 87946, 175892, 219865, 307811, 351784, 439730, 615622, 879460, 1231244, 1363163, 1539055, 1758920, 2462488, 2726326, 3078110, 5452652, 6156220, 6815815, 9542141, 10905304, 12312440, 13631630, 19084282, 27263260, 38168564, 47710705, 54526520, 76337128, 95421410, 190842820, 381685640]

約数ペア:

[(1, 381685640), (2, 190842820), (4, 95421410), (5, 76337128), (7, 54526520), (8, 47710705), (10, 38168564), (14, 27263260), (20, 19084282), (28, 13631630), (31, 12312440), (35, 10905304), (40, 9542141), (56, 6815815), (62, 6156220), (70, 5452652), (124, 3078110), (140, 2726326), (155, 2462488), (217, 1758920), (248, 1539055), (280, 1363163), (310, 1231244), (434, 879460), (620, 615622), (868, 439730), (1085, 351784), (1240, 307811), (1736, 219865), (2170, 175892), (4340, 87946), (8680, 43973)]