287376050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:588

約数の個数: 72

約数和(自身を含む): 588176640

約数和(自身を除く): 300800590

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 169, 325, 338, 355, 479, 650, 710, 845, 923, 958, 1690, 1775, 1846, 2395, 3550, 4225, 4615, 4790, 6227, 8450, 9230, 11975, 11999, 12454, 23075, 23950, 23998, 31135, 34009, 46150, 59995, 62270, 68018, 80951, 119990, 155675, 161902, 170045, 299975, 311350, 340090, 404755, 442117, 599950, 809510, 850225, 884234, 1700450, 2023775, 2210585, 4047550, 4421170, 5747521, 11052925, 11495042, 22105850, 28737605, 57475210, 143688025, 287376050]

約数ペア:

[(1, 287376050), (2, 143688025), (5, 57475210), (10, 28737605), (13, 22105850), (25, 11495042), (26, 11052925), (50, 5747521), (65, 4421170), (71, 4047550), (130, 2210585), (142, 2023775), (169, 1700450), (325, 884234), (338, 850225), (355, 809510), (479, 599950), (650, 442117), (710, 404755), (845, 340090), (923, 311350), (958, 299975), (1690, 170045), (1775, 161902), (1846, 155675), (2395, 119990), (3550, 80951), (4225, 68018), (4615, 62270), (4790, 59995), (6227, 46150), (8450, 34009), (9230, 31135), (11975, 23998), (11999, 23950), (12454, 23075)]