131243980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40759}}^1$

素因数の和:40798

約数の個数: 48

約数和(自身を含む): 328688640

約数和(自身を除く): 197444660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 40759, 81518, 163036, 203795, 285313, 407590, 570626, 815180, 937457, 1141252, 1426565, 1874914, 2853130, 3749828, 4687285, 5706260, 6562199, 9374570, 13124398, 18749140, 26248796, 32810995, 65621990, 131243980]

約数ペア:

[(1, 131243980), (2, 65621990), (4, 32810995), (5, 26248796), (7, 18749140), (10, 13124398), (14, 9374570), (20, 6562199), (23, 5706260), (28, 4687285), (35, 3749828), (46, 2853130), (70, 1874914), (92, 1426565), (115, 1141252), (140, 937457), (161, 815180), (230, 570626), (322, 407590), (460, 285313), (644, 203795), (805, 163036), (1610, 81518), (3220, 40759)]