78866900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1847}}^1$

素因数の和:1929

約数の個数: 72

約数和(自身を含む): 198903936

約数和(自身を除く): 120037036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 140, 175, 244, 305, 350, 427, 610, 700, 854, 1220, 1525, 1708, 1847, 2135, 3050, 3694, 4270, 6100, 7388, 8540, 9235, 10675, 12929, 18470, 21350, 25858, 36940, 42700, 46175, 51716, 64645, 92350, 112667, 129290, 184700, 225334, 258580, 323225, 450668, 563335, 646450, 788669, 1126670, 1292900, 1577338, 2253340, 2816675, 3154676, 3943345, 5633350, 7886690, 11266700, 15773380, 19716725, 39433450, 78866900]

約数ペア:

[(1, 78866900), (2, 39433450), (4, 19716725), (5, 15773380), (7, 11266700), (10, 7886690), (14, 5633350), (20, 3943345), (25, 3154676), (28, 2816675), (35, 2253340), (50, 1577338), (61, 1292900), (70, 1126670), (100, 788669), (122, 646450), (140, 563335), (175, 450668), (244, 323225), (305, 258580), (350, 225334), (427, 184700), (610, 129290), (700, 112667), (854, 92350), (1220, 64645), (1525, 51716), (1708, 46175), (1847, 42700), (2135, 36940), (3050, 25858), (3694, 21350), (4270, 18470), (6100, 12929), (7388, 10675), (8540, 9235)]