72547475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 121992192

約数和(自身を除く): 49444717

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 169, 175, 223, 275, 325, 385, 455, 715, 845, 1001, 1115, 1183, 1561, 1859, 1925, 2275, 2453, 2899, 3575, 4225, 5005, 5575, 5915, 7805, 9295, 12265, 13013, 14495, 17171, 20293, 25025, 29575, 31889, 37687, 39025, 46475, 61325, 65065, 72475, 85855, 101465, 159445, 188435, 223223, 263809, 325325, 414557, 429275, 507325, 797225, 942175, 1116115, 1319045, 2072785, 2901899, 5580575, 6595225, 10363925, 14509495, 72547475]

約数ペア:

[(1, 72547475), (5, 14509495), (7, 10363925), (11, 6595225), (13, 5580575), (25, 2901899), (35, 2072785), (55, 1319045), (65, 1116115), (77, 942175), (91, 797225), (143, 507325), (169, 429275), (175, 414557), (223, 325325), (275, 263809), (325, 223223), (385, 188435), (455, 159445), (715, 101465), (845, 85855), (1001, 72475), (1115, 65065), (1183, 61325), (1561, 46475), (1859, 39025), (1925, 37687), (2275, 31889), (2453, 29575), (2899, 25025), (3575, 20293), (4225, 17171), (5005, 14495), (5575, 13013), (5915, 12265), (7805, 9295)]