199998960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{119047}}^1$

素因数の和:119070

約数の個数: 80

約数和(自身を含む): 708573696

約数和(自身を除く): 508574736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 119047, 238094, 357141, 476188, 595235, 714282, 833329, 952376, 1190470, 1428564, 1666658, 1785705, 1904752, 2380940, 2499987, 2857128, 3333316, 3571410, 4166645, 4761880, 4999974, 5714256, 6666632, 7142820, 8333290, 9523760, 9999948, 12499935, 13333264, 14285640, 16666580, 19999896, 24999870, 28571280, 33333160, 39999792, 49999740, 66666320, 99999480, 199998960]

約数ペア:

[(1, 199998960), (2, 99999480), (3, 66666320), (4, 49999740), (5, 39999792), (6, 33333160), (7, 28571280), (8, 24999870), (10, 19999896), (12, 16666580), (14, 14285640), (15, 13333264), (16, 12499935), (20, 9999948), (21, 9523760), (24, 8333290), (28, 7142820), (30, 6666632), (35, 5714256), (40, 4999974), (42, 4761880), (48, 4166645), (56, 3571410), (60, 3333316), (70, 2857128), (80, 2499987), (84, 2380940), (105, 1904752), (112, 1785705), (120, 1666658), (140, 1428564), (168, 1190470), (210, 952376), (240, 833329), (280, 714282), (336, 595235), (420, 476188), (560, 357141), (840, 238094), (1680, 119047)]