28200026015

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 40954636800

約数和(自身を除く): 12754610785

約数列:

[1, 5, 7, 35, 49, 71, 107, 109, 139, 245, 355, 497, 535, 545, 695, 749, 763, 973, 2485, 3479, 3745, 3815, 4865, 5243, 5341, 6811, 7597, 7739, 9869, 11663, 14873, 15151, 17395, 26215, 26705, 34055, 37985, 38695, 49345, 53179, 54173, 58315, 69083, 74365, 75755, 81641, 104111, 106057, 265895, 270865, 345415, 372253, 379211, 408205, 483581, 520555, 530285, 571487, 728777, 742399, 828073, 1055983, 1075721, 1621157, 1861265, 1896055, 2417905, 2857435, 3643885, 3711995, 4140365, 5279915, 5378605, 5796511, 7391881, 7530047, 8105785, 11348099, 28982555, 36959405, 37650235, 40575577, 51743167, 52710329, 56740495, 79436693, 115102147, 202877885, 258715835, 263551645, 397183465, 575510735, 805715029, 4028575145, 5640005203, 28200026015]

約数ペア:

[(1, 28200026015), (5, 5640005203), (7, 4028575145), (35, 805715029), (49, 575510735), (71, 397183465), (107, 263551645), (109, 258715835), (139, 202877885), (245, 115102147), (355, 79436693), (497, 56740495), (535, 52710329), (545, 51743167), (695, 40575577), (749, 37650235), (763, 36959405), (973, 28982555), (2485, 11348099), (3479, 8105785), (3745, 7530047), (3815, 7391881), (4865, 5796511), (5243, 5378605), (5341, 5279915), (6811, 4140365), (7597, 3711995), (7739, 3643885), (9869, 2857435), (11663, 2417905), (14873, 1896055), (15151, 1861265), (17395, 1621157), (26215, 1075721), (26705, 1055983), (34055, 828073), (37985, 742399), (38695, 728777), (49345, 571487), (53179, 530285), (54173, 520555), (58315, 483581), (69083, 408205), (74365, 379211), (75755, 372253), (81641, 345415), (104111, 270865), (106057, 265895)]