311949300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79987}}^1$

素因数の和:80017

約数の個数: 72

約数和(自身を含む): 972014176

約数和(自身を除く): 660064876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 79987, 159974, 239961, 319948, 399935, 479922, 799870, 959844, 1039831, 1199805, 1599740, 1999675, 2079662, 2399610, 3119493, 3999350, 4159324, 4799220, 5199155, 5999025, 6238986, 7998700, 10398310, 11998050, 12477972, 15597465, 20796620, 23996100, 25995775, 31194930, 51991550, 62389860, 77987325, 103983100, 155974650, 311949300]

約数ペア:

[(1, 311949300), (2, 155974650), (3, 103983100), (4, 77987325), (5, 62389860), (6, 51991550), (10, 31194930), (12, 25995775), (13, 23996100), (15, 20796620), (20, 15597465), (25, 12477972), (26, 11998050), (30, 10398310), (39, 7998700), (50, 6238986), (52, 5999025), (60, 5199155), (65, 4799220), (75, 4159324), (78, 3999350), (100, 3119493), (130, 2399610), (150, 2079662), (156, 1999675), (195, 1599740), (260, 1199805), (300, 1039831), (325, 959844), (390, 799870), (650, 479922), (780, 399935), (975, 319948), (1300, 239961), (1950, 159974), (3900, 79987)]