28031200

素因数分解:

$2^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1004

約数の個数: 72

約数和(自身を含む): 70354872

約数和(自身を除く): 42323672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 74, 80, 100, 148, 160, 185, 200, 296, 370, 400, 592, 740, 800, 925, 947, 1184, 1480, 1850, 1894, 2960, 3700, 3788, 4735, 5920, 7400, 7576, 9470, 14800, 15152, 18940, 23675, 29600, 30304, 35039, 37880, 47350, 70078, 75760, 94700, 140156, 151520, 175195, 189400, 280312, 350390, 378800, 560624, 700780, 757600, 875975, 1121248, 1401560, 1751950, 2803120, 3503900, 5606240, 7007800, 14015600, 28031200]

約数ペア:

[(1, 28031200), (2, 14015600), (4, 7007800), (5, 5606240), (8, 3503900), (10, 2803120), (16, 1751950), (20, 1401560), (25, 1121248), (32, 875975), (37, 757600), (40, 700780), (50, 560624), (74, 378800), (80, 350390), (100, 280312), (148, 189400), (160, 175195), (185, 151520), (200, 140156), (296, 94700), (370, 75760), (400, 70078), (592, 47350), (740, 37880), (800, 35039), (925, 30304), (947, 29600), (1184, 23675), (1480, 18940), (1850, 15152), (1894, 14800), (2960, 9470), (3700, 7576), (3788, 7400), (4735, 5920)]