205120860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{9967}}^1$

素因数の和:10000

約数の個数: 96

約数和(自身を含む): 669849600

約数和(自身を除く): 464728740

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, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1715, 2058, 2940, 3430, 4116, 5145, 6860, 9967, 10290, 19934, 20580, 29901, 39868, 49835, 59802, 69769, 99670, 119604, 139538, 149505, 199340, 209307, 279076, 299010, 348845, 418614, 488383, 598020, 697690, 837228, 976766, 1046535, 1395380, 1465149, 1953532, 2093070, 2441915, 2930298, 3418681, 4186140, 4883830, 5860596, 6837362, 7325745, 9767660, 10256043, 13674724, 14651490, 17093405, 20512086, 29302980, 34186810, 41024172, 51280215, 68373620, 102560430, 205120860]

約数ペア:

[(1, 205120860), (2, 102560430), (3, 68373620), (4, 51280215), (5, 41024172), (6, 34186810), (7, 29302980), (10, 20512086), (12, 17093405), (14, 14651490), (15, 13674724), (20, 10256043), (21, 9767660), (28, 7325745), (30, 6837362), (35, 5860596), (42, 4883830), (49, 4186140), (60, 3418681), (70, 2930298), (84, 2441915), (98, 2093070), (105, 1953532), (140, 1465149), (147, 1395380), (196, 1046535), (210, 976766), (245, 837228), (294, 697690), (343, 598020), (420, 488383), (490, 418614), (588, 348845), (686, 299010), (735, 279076), (980, 209307), (1029, 199340), (1372, 149505), (1470, 139538), (1715, 119604), (2058, 99670), (2940, 69769), (3430, 59802), (4116, 49835), (5145, 39868), (6860, 29901), (9967, 20580), (10290, 19934)]