609440

素因数分解:

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

素因数の和:321

約数の個数: 48

約数和(自身を含む): 1555848

約数和(自身を除く): 946408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 293, 416, 520, 586, 1040, 1172, 1465, 2080, 2344, 2930, 3809, 4688, 5860, 7618, 9376, 11720, 15236, 19045, 23440, 30472, 38090, 46880, 60944, 76180, 121888, 152360, 304720, 609440]

約数ペア:

[(1, 609440), (2, 304720), (4, 152360), (5, 121888), (8, 76180), (10, 60944), (13, 46880), (16, 38090), (20, 30472), (26, 23440), (32, 19045), (40, 15236), (52, 11720), (65, 9376), (80, 7618), (104, 5860), (130, 4688), (160, 3809), (208, 2930), (260, 2344), (293, 2080), (416, 1465), (520, 1172), (586, 1040)]