168673540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{19751}}^1$

素因数の和:19828

約数の個数: 48

約数和(自身を含む): 411473664

約数和(自身を除く): 242800124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 19751, 39502, 79004, 98755, 138257, 197510, 276514, 395020, 553028, 691285, 1204811, 1382570, 2409622, 2765140, 4819244, 6024055, 8433677, 12048110, 16867354, 24096220, 33734708, 42168385, 84336770, 168673540]

約数ペア:

[(1, 168673540), (2, 84336770), (4, 42168385), (5, 33734708), (7, 24096220), (10, 16867354), (14, 12048110), (20, 8433677), (28, 6024055), (35, 4819244), (61, 2765140), (70, 2409622), (122, 1382570), (140, 1204811), (244, 691285), (305, 553028), (427, 395020), (610, 276514), (854, 197510), (1220, 138257), (1708, 98755), (2135, 79004), (4270, 39502), (8540, 19751)]