7300280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 17992800

約数和(自身を除く): 10692520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 139, 202, 260, 278, 404, 505, 520, 556, 695, 808, 1010, 1112, 1313, 1390, 1807, 2020, 2626, 2780, 3614, 4040, 5252, 5560, 6565, 7228, 9035, 10504, 13130, 14039, 14456, 18070, 26260, 28078, 36140, 52520, 56156, 70195, 72280, 112312, 140390, 182507, 280780, 365014, 561560, 730028, 912535, 1460056, 1825070, 3650140, 7300280]

約数ペア:

[(1, 7300280), (2, 3650140), (4, 1825070), (5, 1460056), (8, 912535), (10, 730028), (13, 561560), (20, 365014), (26, 280780), (40, 182507), (52, 140390), (65, 112312), (101, 72280), (104, 70195), (130, 56156), (139, 52520), (202, 36140), (260, 28078), (278, 26260), (404, 18070), (505, 14456), (520, 14039), (556, 13130), (695, 10504), (808, 9035), (1010, 7228), (1112, 6565), (1313, 5560), (1390, 5252), (1807, 4040), (2020, 3614), (2626, 2780)]