78455200

素因数分解:

$2^5\times 5^2\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:650

約数の個数: 72

約数和(自身を含む): 192761100

約数和(自身を除く): 114305900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 281, 349, 400, 562, 698, 800, 1124, 1396, 1405, 1745, 2248, 2792, 2810, 3490, 4496, 5584, 5620, 6980, 7025, 8725, 8992, 11168, 11240, 13960, 14050, 17450, 22480, 27920, 28100, 34900, 44960, 55840, 56200, 69800, 98069, 112400, 139600, 196138, 224800, 279200, 392276, 490345, 784552, 980690, 1569104, 1961380, 2451725, 3138208, 3922760, 4903450, 7845520, 9806900, 15691040, 19613800, 39227600, 78455200]

約数ペア:

[(1, 78455200), (2, 39227600), (4, 19613800), (5, 15691040), (8, 9806900), (10, 7845520), (16, 4903450), (20, 3922760), (25, 3138208), (32, 2451725), (40, 1961380), (50, 1569104), (80, 980690), (100, 784552), (160, 490345), (200, 392276), (281, 279200), (349, 224800), (400, 196138), (562, 139600), (698, 112400), (800, 98069), (1124, 69800), (1396, 56200), (1405, 55840), (1745, 44960), (2248, 34900), (2792, 28100), (2810, 27920), (3490, 22480), (4496, 17450), (5584, 14050), (5620, 13960), (6980, 11240), (7025, 11168), (8725, 8992)]