312400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:100

約数の個数: 60

約数和(自身を含む): 830304

約数和(自身を除く): 517904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 71, 80, 88, 100, 110, 142, 176, 200, 220, 275, 284, 355, 400, 440, 550, 568, 710, 781, 880, 1100, 1136, 1420, 1562, 1775, 2200, 2840, 3124, 3550, 3905, 4400, 5680, 6248, 7100, 7810, 12496, 14200, 15620, 19525, 28400, 31240, 39050, 62480, 78100, 156200, 312400]

約数ペア:

[(1, 312400), (2, 156200), (4, 78100), (5, 62480), (8, 39050), (10, 31240), (11, 28400), (16, 19525), (20, 15620), (22, 14200), (25, 12496), (40, 7810), (44, 7100), (50, 6248), (55, 5680), (71, 4400), (80, 3905), (88, 3550), (100, 3124), (110, 2840), (142, 2200), (176, 1775), (200, 1562), (220, 1420), (275, 1136), (284, 1100), (355, 880), (400, 781), (440, 710), (550, 568)]