219880640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:447

約数の個数: 168

約数和(自身を含む): 627186960

約数和(自身を除く): 407306320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 140, 148, 160, 185, 196, 224, 245, 259, 280, 296, 320, 370, 379, 392, 448, 490, 518, 560, 592, 740, 758, 784, 980, 1036, 1120, 1184, 1295, 1480, 1516, 1568, 1813, 1895, 1960, 2072, 2240, 2368, 2590, 2653, 2960, 3032, 3136, 3626, 3790, 3920, 4144, 5180, 5306, 5920, 6064, 7252, 7580, 7840, 8288, 9065, 10360, 10612, 11840, 12128, 13265, 14023, 14504, 15160, 15680, 16576, 18130, 18571, 20720, 21224, 24256, 26530, 28046, 29008, 30320, 36260, 37142, 41440, 42448, 53060, 56092, 58016, 60640, 70115, 72520, 74284, 82880, 84896, 92855, 98161, 106120, 112184, 116032, 121280, 140230, 145040, 148568, 169792, 185710, 196322, 212240, 224368, 280460, 290080, 297136, 371420, 392644, 424480, 448736, 490805, 560920, 580160, 594272, 687127, 742840, 785288, 848960, 897472, 981610, 1121840, 1188544, 1374254, 1485680, 1570576, 1963220, 2243680, 2748508, 2971360, 3141152, 3435635, 3926440, 4487360, 5497016, 5942720, 6282304, 6871270, 7852880, 10994032, 13742540, 15705760, 21988064, 27485080, 31411520, 43976128, 54970160, 109940320, 219880640]

約数ペア:

[(1, 219880640), (2, 109940320), (4, 54970160), (5, 43976128), (7, 31411520), (8, 27485080), (10, 21988064), (14, 15705760), (16, 13742540), (20, 10994032), (28, 7852880), (32, 6871270), (35, 6282304), (37, 5942720), (40, 5497016), (49, 4487360), (56, 3926440), (64, 3435635), (70, 3141152), (74, 2971360), (80, 2748508), (98, 2243680), (112, 1963220), (140, 1570576), (148, 1485680), (160, 1374254), (185, 1188544), (196, 1121840), (224, 981610), (245, 897472), (259, 848960), (280, 785288), (296, 742840), (320, 687127), (370, 594272), (379, 580160), (392, 560920), (448, 490805), (490, 448736), (518, 424480), (560, 392644), (592, 371420), (740, 297136), (758, 290080), (784, 280460), (980, 224368), (1036, 212240), (1120, 196322), (1184, 185710), (1295, 169792), (1480, 148568), (1516, 145040), (1568, 140230), (1813, 121280), (1895, 116032), (1960, 112184), (2072, 106120), (2240, 98161), (2368, 92855), (2590, 84896), (2653, 82880), (2960, 74284), (3032, 72520), (3136, 70115), (3626, 60640), (3790, 58016), (3920, 56092), (4144, 53060), (5180, 42448), (5306, 41440), (5920, 37142), (6064, 36260), (7252, 30320), (7580, 29008), (7840, 28046), (8288, 26530), (9065, 24256), (10360, 21224), (10612, 20720), (11840, 18571), (12128, 18130), (13265, 16576), (14023, 15680), (14504, 15160)]