84128380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 210672000

約数和(自身を除く): 126543620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 109, 140, 148, 149, 185, 218, 259, 298, 370, 436, 518, 545, 596, 740, 745, 763, 1036, 1043, 1090, 1295, 1490, 1526, 2086, 2180, 2590, 2980, 3052, 3815, 4033, 4172, 5180, 5215, 5513, 7630, 8066, 10430, 11026, 15260, 16132, 16241, 20165, 20860, 22052, 27565, 28231, 32482, 38591, 40330, 55130, 56462, 64964, 77182, 80660, 81205, 110260, 112924, 113687, 141155, 154364, 162410, 192955, 227374, 282310, 324820, 385910, 454748, 564620, 568435, 600917, 771820, 1136870, 1201834, 2273740, 2403668, 3004585, 4206419, 6009170, 8412838, 12018340, 16825676, 21032095, 42064190, 84128380]

約数ペア:

[(1, 84128380), (2, 42064190), (4, 21032095), (5, 16825676), (7, 12018340), (10, 8412838), (14, 6009170), (20, 4206419), (28, 3004585), (35, 2403668), (37, 2273740), (70, 1201834), (74, 1136870), (109, 771820), (140, 600917), (148, 568435), (149, 564620), (185, 454748), (218, 385910), (259, 324820), (298, 282310), (370, 227374), (436, 192955), (518, 162410), (545, 154364), (596, 141155), (740, 113687), (745, 112924), (763, 110260), (1036, 81205), (1043, 80660), (1090, 77182), (1295, 64964), (1490, 56462), (1526, 55130), (2086, 40330), (2180, 38591), (2590, 32482), (2980, 28231), (3052, 27565), (3815, 22052), (4033, 20860), (4172, 20165), (5180, 16241), (5215, 16132), (5513, 15260), (7630, 11026), (8066, 10430)]