74827870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 151139520

約数和(自身を除く): 76311650

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 101, 130, 139, 202, 205, 278, 410, 505, 533, 695, 1010, 1066, 1313, 1390, 1807, 2626, 2665, 3614, 4141, 5330, 5699, 6565, 8282, 9035, 11398, 13130, 14039, 18070, 20705, 28078, 28495, 41410, 53833, 56990, 70195, 74087, 107666, 140390, 148174, 182507, 269165, 365014, 370435, 538330, 575599, 740870, 912535, 1151198, 1825070, 2877995, 5755990, 7482787, 14965574, 37413935, 74827870]

約数ペア:

[(1, 74827870), (2, 37413935), (5, 14965574), (10, 7482787), (13, 5755990), (26, 2877995), (41, 1825070), (65, 1151198), (82, 912535), (101, 740870), (130, 575599), (139, 538330), (202, 370435), (205, 365014), (278, 269165), (410, 182507), (505, 148174), (533, 140390), (695, 107666), (1010, 74087), (1066, 70195), (1313, 56990), (1390, 53833), (1807, 41410), (2626, 28495), (2665, 28078), (3614, 20705), (4141, 18070), (5330, 14039), (5699, 13130), (6565, 11398), (8282, 9035)]