290469620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{2521}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 698251008

約数和(自身を除く): 407781388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 823, 1646, 2521, 3292, 4115, 5042, 5761, 8230, 10084, 11522, 12605, 16460, 17647, 23044, 25210, 28805, 35294, 50420, 57610, 70588, 88235, 115220, 176470, 352940, 2074783, 4149566, 8299132, 10373915, 14523481, 20747830, 29046962, 41495660, 58093924, 72617405, 145234810, 290469620]

約数ペア:

[(1, 290469620), (2, 145234810), (4, 72617405), (5, 58093924), (7, 41495660), (10, 29046962), (14, 20747830), (20, 14523481), (28, 10373915), (35, 8299132), (70, 4149566), (140, 2074783), (823, 352940), (1646, 176470), (2521, 115220), (3292, 88235), (4115, 70588), (5042, 57610), (5761, 50420), (8230, 35294), (10084, 28805), (11522, 25210), (12605, 23044), (16460, 17647)]