31084340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{929}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 74995200

約数和(自身を除く): 43910860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 929, 956, 1195, 1673, 1858, 2390, 3346, 3716, 4645, 4780, 6503, 6692, 8365, 9290, 13006, 16730, 18580, 26012, 32515, 33460, 65030, 130060, 222031, 444062, 888124, 1110155, 1554217, 2220310, 3108434, 4440620, 6216868, 7771085, 15542170, 31084340]

約数ペア:

[(1, 31084340), (2, 15542170), (4, 7771085), (5, 6216868), (7, 4440620), (10, 3108434), (14, 2220310), (20, 1554217), (28, 1110155), (35, 888124), (70, 444062), (140, 222031), (239, 130060), (478, 65030), (929, 33460), (956, 32515), (1195, 26012), (1673, 18580), (1858, 16730), (2390, 13006), (3346, 9290), (3716, 8365), (4645, 6692), (4780, 6503)]