1267420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 3322368

約数和(自身を除く): 2054948

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 823, 1540, 1646, 3292, 4115, 5761, 8230, 9053, 11522, 16460, 18106, 23044, 28805, 36212, 45265, 57610, 63371, 90530, 115220, 126742, 181060, 253484, 316855, 633710, 1267420]

約数ペア:

[(1, 1267420), (2, 633710), (4, 316855), (5, 253484), (7, 181060), (10, 126742), (11, 115220), (14, 90530), (20, 63371), (22, 57610), (28, 45265), (35, 36212), (44, 28805), (55, 23044), (70, 18106), (77, 16460), (110, 11522), (140, 9053), (154, 8230), (220, 5761), (308, 4115), (385, 3292), (770, 1646), (823, 1540)]