138350360

素因数分解:

$2^3\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{1889}}^1$

素因数の和:3731

約数の個数: 32

約数和(自身を含む): 311623200

約数和(自身を除く): 173272840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1831, 1889, 3662, 3778, 7324, 7556, 9155, 9445, 14648, 15112, 18310, 18890, 36620, 37780, 73240, 75560, 3458759, 6917518, 13835036, 17293795, 27670072, 34587590, 69175180, 138350360]

約数ペア:

[(1, 138350360), (2, 69175180), (4, 34587590), (5, 27670072), (8, 17293795), (10, 13835036), (20, 6917518), (40, 3458759), (1831, 75560), (1889, 73240), (3662, 37780), (3778, 36620), (7324, 18890), (7556, 18310), (9155, 15112), (9445, 14648)]