142356920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 333728640

約数和(自身を除く): 191371720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 410, 488, 610, 820, 1220, 1423, 1640, 2440, 2501, 2846, 5002, 5692, 7115, 10004, 11384, 12505, 14230, 20008, 25010, 28460, 50020, 56920, 58343, 86803, 100040, 116686, 173606, 233372, 291715, 347212, 434015, 466744, 583430, 694424, 868030, 1166860, 1736060, 2333720, 3472120, 3558923, 7117846, 14235692, 17794615, 28471384, 35589230, 71178460, 142356920]

約数ペア:

[(1, 142356920), (2, 71178460), (4, 35589230), (5, 28471384), (8, 17794615), (10, 14235692), (20, 7117846), (40, 3558923), (41, 3472120), (61, 2333720), (82, 1736060), (122, 1166860), (164, 868030), (205, 694424), (244, 583430), (305, 466744), (328, 434015), (410, 347212), (488, 291715), (610, 233372), (820, 173606), (1220, 116686), (1423, 100040), (1640, 86803), (2440, 58343), (2501, 56920), (2846, 50020), (5002, 28460), (5692, 25010), (7115, 20008), (10004, 14230), (11384, 12505)]