650650

素因数分解:

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

素因数の和:56

約数の個数: 72

約数和(自身を含む): 1633824

約数和(自身を除く): 983174

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 35, 50, 55, 65, 70, 77, 91, 110, 130, 143, 154, 169, 175, 182, 275, 286, 325, 338, 350, 385, 455, 550, 650, 715, 770, 845, 910, 1001, 1183, 1430, 1690, 1859, 1925, 2002, 2275, 2366, 3575, 3718, 3850, 4225, 4550, 5005, 5915, 7150, 8450, 9295, 10010, 11830, 13013, 18590, 25025, 26026, 29575, 46475, 50050, 59150, 65065, 92950, 130130, 325325, 650650]

約数ペア:

[(1, 650650), (2, 325325), (5, 130130), (7, 92950), (10, 65065), (11, 59150), (13, 50050), (14, 46475), (22, 29575), (25, 26026), (26, 25025), (35, 18590), (50, 13013), (55, 11830), (65, 10010), (70, 9295), (77, 8450), (91, 7150), (110, 5915), (130, 5005), (143, 4550), (154, 4225), (169, 3850), (175, 3718), (182, 3575), (275, 2366), (286, 2275), (325, 2002), (338, 1925), (350, 1859), (385, 1690), (455, 1430), (550, 1183), (650, 1001), (715, 910), (770, 845)]