138350810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 278528544

約数和(自身を除く): 140177734

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 101, 130, 202, 205, 257, 410, 505, 514, 533, 1010, 1066, 1285, 1313, 2570, 2626, 2665, 3341, 4141, 5330, 6565, 6682, 8282, 10537, 13130, 16705, 20705, 21074, 25957, 33410, 41410, 51914, 52685, 53833, 105370, 107666, 129785, 136981, 259570, 269165, 273962, 337441, 538330, 674882, 684905, 1064237, 1369810, 1687205, 2128474, 3374410, 5321185, 10642370, 13835081, 27670162, 69175405, 138350810]

約数ペア:

[(1, 138350810), (2, 69175405), (5, 27670162), (10, 13835081), (13, 10642370), (26, 5321185), (41, 3374410), (65, 2128474), (82, 1687205), (101, 1369810), (130, 1064237), (202, 684905), (205, 674882), (257, 538330), (410, 337441), (505, 273962), (514, 269165), (533, 259570), (1010, 136981), (1066, 129785), (1285, 107666), (1313, 105370), (2570, 53833), (2626, 52685), (2665, 51914), (3341, 41410), (4141, 33410), (5330, 25957), (6565, 21074), (6682, 20705), (8282, 16705), (10537, 13130)]