2579088680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{61819}}^1$

素因数の和:61986

約数の個数: 64

約数和(自身を含む): 6676560000

約数和(自身を除く): 4097471320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5960, 8344, 10430, 20860, 41720, 61819, 123638, 247276, 309095, 432733, 494552, 618190, 865466, 1236380, 1730932, 2163665, 2472760, 3461864, 4327330, 8654660, 9211031, 17309320, 18422062, 36844124, 46055155, 64477217, 73688248, 92110310, 128954434, 184220620, 257908868, 322386085, 368441240, 515817736, 644772170, 1289544340, 2579088680]

約数ペア:

[(1, 2579088680), (2, 1289544340), (4, 644772170), (5, 515817736), (7, 368441240), (8, 322386085), (10, 257908868), (14, 184220620), (20, 128954434), (28, 92110310), (35, 73688248), (40, 64477217), (56, 46055155), (70, 36844124), (140, 18422062), (149, 17309320), (280, 9211031), (298, 8654660), (596, 4327330), (745, 3461864), (1043, 2472760), (1192, 2163665), (1490, 1730932), (2086, 1236380), (2980, 865466), (4172, 618190), (5215, 494552), (5960, 432733), (8344, 309095), (10430, 247276), (20860, 123638), (41720, 61819)]