31026190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 64774080

約数和(自身を除く): 33747890

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 101, 130, 139, 170, 202, 221, 278, 442, 505, 695, 1010, 1105, 1313, 1390, 1717, 1807, 2210, 2363, 2626, 3434, 3614, 4726, 6565, 8585, 9035, 11815, 13130, 14039, 17170, 18070, 22321, 23630, 28078, 30719, 44642, 61438, 70195, 111605, 140390, 153595, 182507, 223210, 238663, 307190, 365014, 477326, 912535, 1193315, 1825070, 2386630, 3102619, 6205238, 15513095, 31026190]

約数ペア:

[(1, 31026190), (2, 15513095), (5, 6205238), (10, 3102619), (13, 2386630), (17, 1825070), (26, 1193315), (34, 912535), (65, 477326), (85, 365014), (101, 307190), (130, 238663), (139, 223210), (170, 182507), (202, 153595), (221, 140390), (278, 111605), (442, 70195), (505, 61438), (695, 44642), (1010, 30719), (1105, 28078), (1313, 23630), (1390, 22321), (1717, 18070), (1807, 17170), (2210, 14039), (2363, 13130), (2626, 11815), (3434, 9035), (3614, 8585), (4726, 6565)]