56719480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 136080000

約数和(自身を除く): 79360520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 239, 340, 349, 478, 680, 698, 956, 1195, 1396, 1745, 1912, 2390, 2792, 3490, 4063, 4780, 5933, 6980, 8126, 9560, 11866, 13960, 16252, 20315, 23732, 29665, 32504, 40630, 47464, 59330, 81260, 83411, 118660, 162520, 166822, 237320, 333644, 417055, 667288, 834110, 1417987, 1668220, 2835974, 3336440, 5671948, 7089935, 11343896, 14179870, 28359740, 56719480]

約数ペア:

[(1, 56719480), (2, 28359740), (4, 14179870), (5, 11343896), (8, 7089935), (10, 5671948), (17, 3336440), (20, 2835974), (34, 1668220), (40, 1417987), (68, 834110), (85, 667288), (136, 417055), (170, 333644), (239, 237320), (340, 166822), (349, 162520), (478, 118660), (680, 83411), (698, 81260), (956, 59330), (1195, 47464), (1396, 40630), (1745, 32504), (1912, 29665), (2390, 23732), (2792, 20315), (3490, 16252), (4063, 13960), (4780, 11866), (5933, 9560), (6980, 8126)]