90240410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 182824992

約数和(自身を除く): 92584582

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 73, 74, 130, 146, 185, 257, 365, 370, 481, 514, 730, 949, 962, 1285, 1898, 2405, 2570, 2701, 3341, 4745, 4810, 5402, 6682, 9490, 9509, 13505, 16705, 18761, 19018, 27010, 33410, 35113, 37522, 47545, 70226, 93805, 95090, 123617, 175565, 187610, 243893, 247234, 351130, 487786, 618085, 694157, 1219465, 1236170, 1388314, 2438930, 3470785, 6941570, 9024041, 18048082, 45120205, 90240410]

約数ペア:

[(1, 90240410), (2, 45120205), (5, 18048082), (10, 9024041), (13, 6941570), (26, 3470785), (37, 2438930), (65, 1388314), (73, 1236170), (74, 1219465), (130, 694157), (146, 618085), (185, 487786), (257, 351130), (365, 247234), (370, 243893), (481, 187610), (514, 175565), (730, 123617), (949, 95090), (962, 93805), (1285, 70226), (1898, 47545), (2405, 37522), (2570, 35113), (2701, 33410), (3341, 27010), (4745, 19018), (4810, 18761), (5402, 16705), (6682, 13505), (9490, 9509)]