142451800

素因数分解:

$2^3\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1831}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 332233200

約数和(自身を除く): 189781400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 389, 778, 1556, 1831, 1945, 3112, 3662, 3890, 7324, 7780, 9155, 9725, 14648, 15560, 18310, 19450, 36620, 38900, 45775, 73240, 77800, 91550, 183100, 366200, 712259, 1424518, 2849036, 3561295, 5698072, 7122590, 14245180, 17806475, 28490360, 35612950, 71225900, 142451800]

約数ペア:

[(1, 142451800), (2, 71225900), (4, 35612950), (5, 28490360), (8, 17806475), (10, 14245180), (20, 7122590), (25, 5698072), (40, 3561295), (50, 2849036), (100, 1424518), (200, 712259), (389, 366200), (778, 183100), (1556, 91550), (1831, 77800), (1945, 73240), (3112, 45775), (3662, 38900), (3890, 36620), (7324, 19450), (7780, 18310), (9155, 15560), (9725, 14648)]