42019700

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{3023}}^1$

素因数の和:3176

約数の個数: 36

約数和(自身を含む): 91869120

約数和(自身を除く): 49849420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3023, 3475, 6046, 6950, 12092, 13900, 15115, 30230, 60460, 75575, 151150, 302300, 420197, 840394, 1680788, 2100985, 4201970, 8403940, 10504925, 21009850, 42019700]

約数ペア:

[(1, 42019700), (2, 21009850), (4, 10504925), (5, 8403940), (10, 4201970), (20, 2100985), (25, 1680788), (50, 840394), (100, 420197), (139, 302300), (278, 151150), (556, 75575), (695, 60460), (1390, 30230), (2780, 15115), (3023, 13900), (3475, 12092), (6046, 6950)]