207937380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:794

約数の個数: 144

約数和(自身を含む): 684645696

約数和(自身を除く): 476708316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 107, 140, 147, 196, 210, 214, 245, 294, 321, 420, 428, 490, 535, 588, 642, 661, 735, 749, 980, 1070, 1284, 1322, 1470, 1498, 1605, 1983, 2140, 2247, 2644, 2940, 2996, 3210, 3305, 3745, 3966, 4494, 4627, 5243, 6420, 6610, 7490, 7932, 8988, 9254, 9915, 10486, 11235, 13220, 13881, 14980, 15729, 18508, 19830, 20972, 22470, 23135, 26215, 27762, 31458, 32389, 39660, 44940, 46270, 52430, 55524, 62916, 64778, 69405, 70727, 78645, 92540, 97167, 104860, 129556, 138810, 141454, 157290, 161945, 194334, 212181, 277620, 282908, 314580, 323890, 353635, 388668, 424362, 485835, 495089, 647780, 707270, 848724, 971670, 990178, 1060905, 1414540, 1485267, 1943340, 1980356, 2121810, 2475445, 2970534, 3465623, 4243620, 4950890, 5941068, 6931246, 7426335, 9901780, 10396869, 13862492, 14852670, 17328115, 20793738, 29705340, 34656230, 41587476, 51984345, 69312460, 103968690, 207937380]

約数ペア:

[(1, 207937380), (2, 103968690), (3, 69312460), (4, 51984345), (5, 41587476), (6, 34656230), (7, 29705340), (10, 20793738), (12, 17328115), (14, 14852670), (15, 13862492), (20, 10396869), (21, 9901780), (28, 7426335), (30, 6931246), (35, 5941068), (42, 4950890), (49, 4243620), (60, 3465623), (70, 2970534), (84, 2475445), (98, 2121810), (105, 1980356), (107, 1943340), (140, 1485267), (147, 1414540), (196, 1060905), (210, 990178), (214, 971670), (245, 848724), (294, 707270), (321, 647780), (420, 495089), (428, 485835), (490, 424362), (535, 388668), (588, 353635), (642, 323890), (661, 314580), (735, 282908), (749, 277620), (980, 212181), (1070, 194334), (1284, 161945), (1322, 157290), (1470, 141454), (1498, 138810), (1605, 129556), (1983, 104860), (2140, 97167), (2247, 92540), (2644, 78645), (2940, 70727), (2996, 69405), (3210, 64778), (3305, 62916), (3745, 55524), (3966, 52430), (4494, 46270), (4627, 44940), (5243, 39660), (6420, 32389), (6610, 31458), (7490, 27762), (7932, 26215), (8988, 23135), (9254, 22470), (9915, 20972), (10486, 19830), (11235, 18508), (13220, 15729), (13881, 14980)]