551458740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1753}}^1$

素因数の和:1886

約数の個数: 144

約数和(自身を含む): 1814000832

約数和(自身を除く): 1262542092

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, 735, 749, 980, 1070, 1284, 1470, 1498, 1605, 1753, 2140, 2247, 2940, 2996, 3210, 3506, 3745, 4494, 5243, 5259, 6420, 7012, 7490, 8765, 8988, 10486, 10518, 11235, 12271, 14980, 15729, 17530, 20972, 21036, 22470, 24542, 26215, 26295, 31458, 35060, 36813, 44940, 49084, 52430, 52590, 61355, 62916, 73626, 78645, 85897, 104860, 105180, 122710, 147252, 157290, 171794, 184065, 187571, 245420, 257691, 314580, 343588, 368130, 375142, 429485, 515382, 562713, 736260, 750284, 858970, 937855, 1030764, 1125426, 1288455, 1312997, 1717940, 1875710, 2250852, 2576910, 2625994, 2813565, 3751420, 3938991, 5153820, 5251988, 5627130, 6564985, 7877982, 9190979, 11254260, 13129970, 15755964, 18381958, 19694955, 26259940, 27572937, 36763916, 39389910, 45954895, 55145874, 78779820, 91909790, 110291748, 137864685, 183819580, 275729370, 551458740]

約数ペア:

[(1, 551458740), (2, 275729370), (3, 183819580), (4, 137864685), (5, 110291748), (6, 91909790), (7, 78779820), (10, 55145874), (12, 45954895), (14, 39389910), (15, 36763916), (20, 27572937), (21, 26259940), (28, 19694955), (30, 18381958), (35, 15755964), (42, 13129970), (49, 11254260), (60, 9190979), (70, 7877982), (84, 6564985), (98, 5627130), (105, 5251988), (107, 5153820), (140, 3938991), (147, 3751420), (196, 2813565), (210, 2625994), (214, 2576910), (245, 2250852), (294, 1875710), (321, 1717940), (420, 1312997), (428, 1288455), (490, 1125426), (535, 1030764), (588, 937855), (642, 858970), (735, 750284), (749, 736260), (980, 562713), (1070, 515382), (1284, 429485), (1470, 375142), (1498, 368130), (1605, 343588), (1753, 314580), (2140, 257691), (2247, 245420), (2940, 187571), (2996, 184065), (3210, 171794), (3506, 157290), (3745, 147252), (4494, 122710), (5243, 105180), (5259, 104860), (6420, 85897), (7012, 78645), (7490, 73626), (8765, 62916), (8988, 61355), (10486, 52590), (10518, 52430), (11235, 49084), (12271, 44940), (14980, 36813), (15729, 35060), (17530, 31458), (20972, 26295), (21036, 26215), (22470, 24542)]