8974400

素因数分解:

$2^6\times 5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 84

約数和(自身を含む): 22677120

約数和(自身を除く): 13702720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 79, 80, 100, 142, 158, 160, 200, 284, 316, 320, 355, 395, 400, 568, 632, 710, 790, 800, 1136, 1264, 1420, 1580, 1600, 1775, 1975, 2272, 2528, 2840, 3160, 3550, 3950, 4544, 5056, 5609, 5680, 6320, 7100, 7900, 11218, 11360, 12640, 14200, 15800, 22436, 22720, 25280, 28045, 28400, 31600, 44872, 56090, 56800, 63200, 89744, 112180, 113600, 126400, 140225, 179488, 224360, 280450, 358976, 448720, 560900, 897440, 1121800, 1794880, 2243600, 4487200, 8974400]

約数ペア:

[(1, 8974400), (2, 4487200), (4, 2243600), (5, 1794880), (8, 1121800), (10, 897440), (16, 560900), (20, 448720), (25, 358976), (32, 280450), (40, 224360), (50, 179488), (64, 140225), (71, 126400), (79, 113600), (80, 112180), (100, 89744), (142, 63200), (158, 56800), (160, 56090), (200, 44872), (284, 31600), (316, 28400), (320, 28045), (355, 25280), (395, 22720), (400, 22436), (568, 15800), (632, 14200), (710, 12640), (790, 11360), (800, 11218), (1136, 7900), (1264, 7100), (1420, 6320), (1580, 5680), (1600, 5609), (1775, 5056), (1975, 4544), (2272, 3950), (2528, 3550), (2840, 3160)]