112180000

素因数分解:

$2^5\times 5^4\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 120

約数和(自身を含む): 283409280

約数和(自身を除く): 171229280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 79, 80, 100, 125, 142, 158, 160, 200, 250, 284, 316, 355, 395, 400, 500, 568, 625, 632, 710, 790, 800, 1000, 1136, 1250, 1264, 1420, 1580, 1775, 1975, 2000, 2272, 2500, 2528, 2840, 3160, 3550, 3950, 4000, 5000, 5609, 5680, 6320, 7100, 7900, 8875, 9875, 10000, 11218, 11360, 12640, 14200, 15800, 17750, 19750, 20000, 22436, 28045, 28400, 31600, 35500, 39500, 44375, 44872, 49375, 56090, 56800, 63200, 71000, 79000, 88750, 89744, 98750, 112180, 140225, 142000, 158000, 177500, 179488, 197500, 224360, 280450, 284000, 316000, 355000, 395000, 448720, 560900, 701125, 710000, 790000, 897440, 1121800, 1402250, 1420000, 1580000, 2243600, 2804500, 3505625, 4487200, 5609000, 7011250, 11218000, 14022500, 22436000, 28045000, 56090000, 112180000]

約数ペア:

[(1, 112180000), (2, 56090000), (4, 28045000), (5, 22436000), (8, 14022500), (10, 11218000), (16, 7011250), (20, 5609000), (25, 4487200), (32, 3505625), (40, 2804500), (50, 2243600), (71, 1580000), (79, 1420000), (80, 1402250), (100, 1121800), (125, 897440), (142, 790000), (158, 710000), (160, 701125), (200, 560900), (250, 448720), (284, 395000), (316, 355000), (355, 316000), (395, 284000), (400, 280450), (500, 224360), (568, 197500), (625, 179488), (632, 177500), (710, 158000), (790, 142000), (800, 140225), (1000, 112180), (1136, 98750), (1250, 89744), (1264, 88750), (1420, 79000), (1580, 71000), (1775, 63200), (1975, 56800), (2000, 56090), (2272, 49375), (2500, 44872), (2528, 44375), (2840, 39500), (3160, 35500), (3550, 31600), (3950, 28400), (4000, 28045), (5000, 22436), (5609, 20000), (5680, 19750), (6320, 17750), (7100, 15800), (7900, 14200), (8875, 12640), (9875, 11360), (10000, 11218)]