260811184

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{1249}}^1$

素因数の和:1709

約数の個数: 40

約数和(自身を含む): 523280000

約数和(自身を除く): 262468816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 421, 496, 842, 1249, 1684, 2498, 3368, 4996, 6736, 9992, 13051, 19984, 26102, 38719, 52204, 77438, 104408, 154876, 208816, 309752, 525829, 619504, 1051658, 2103316, 4206632, 8413264, 16300699, 32601398, 65202796, 130405592, 260811184]

約数ペア:

[(1, 260811184), (2, 130405592), (4, 65202796), (8, 32601398), (16, 16300699), (31, 8413264), (62, 4206632), (124, 2103316), (248, 1051658), (421, 619504), (496, 525829), (842, 309752), (1249, 208816), (1684, 154876), (2498, 104408), (3368, 77438), (4996, 52204), (6736, 38719), (9992, 26102), (13051, 19984)]