304720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 765576

約数和(自身を除く): 460856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 293, 520, 586, 1040, 1172, 1465, 2344, 2930, 3809, 4688, 5860, 7618, 11720, 15236, 19045, 23440, 30472, 38090, 60944, 76180, 152360, 304720]

約数ペア:

[(1, 304720), (2, 152360), (4, 76180), (5, 60944), (8, 38090), (10, 30472), (13, 23440), (16, 19045), (20, 15236), (26, 11720), (40, 7618), (52, 5860), (65, 4688), (80, 3809), (104, 2930), (130, 2344), (208, 1465), (260, 1172), (293, 1040), (520, 586)]