81839800

素因数分解:

$2^3\times 5^2\times 7^3\times {\mathrm{1193}}^1$

素因数の和:1230

約数の個数: 96

約数和(自身を含む): 222084000

約数和(自身を除く): 140244200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 343, 350, 392, 490, 686, 700, 980, 1193, 1225, 1372, 1400, 1715, 1960, 2386, 2450, 2744, 3430, 4772, 4900, 5965, 6860, 8351, 8575, 9544, 9800, 11930, 13720, 16702, 17150, 23860, 29825, 33404, 34300, 41755, 47720, 58457, 59650, 66808, 68600, 83510, 116914, 119300, 167020, 208775, 233828, 238600, 292285, 334040, 409199, 417550, 467656, 584570, 818398, 835100, 1169140, 1461425, 1636796, 1670200, 2045995, 2338280, 2922850, 3273592, 4091990, 5845700, 8183980, 10229975, 11691400, 16367960, 20459950, 40919900, 81839800]

約数ペア:

[(1, 81839800), (2, 40919900), (4, 20459950), (5, 16367960), (7, 11691400), (8, 10229975), (10, 8183980), (14, 5845700), (20, 4091990), (25, 3273592), (28, 2922850), (35, 2338280), (40, 2045995), (49, 1670200), (50, 1636796), (56, 1461425), (70, 1169140), (98, 835100), (100, 818398), (140, 584570), (175, 467656), (196, 417550), (200, 409199), (245, 334040), (280, 292285), (343, 238600), (350, 233828), (392, 208775), (490, 167020), (686, 119300), (700, 116914), (980, 83510), (1193, 68600), (1225, 66808), (1372, 59650), (1400, 58457), (1715, 47720), (1960, 41755), (2386, 34300), (2450, 33404), (2744, 29825), (3430, 23860), (4772, 17150), (4900, 16702), (5965, 13720), (6860, 11930), (8351, 9800), (8575, 9544)]