87723020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56963}}^1$

素因数の和:56990

約数の個数: 48

約数和(自身を含む): 229678848

約数和(自身を除く): 141955828

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, 1540, 56963, 113926, 227852, 284815, 398741, 569630, 626593, 797482, 1139260, 1253186, 1594964, 1993705, 2506372, 3132965, 3987410, 4386151, 6265930, 7974820, 8772302, 12531860, 17544604, 21930755, 43861510, 87723020]

約数ペア:

[(1, 87723020), (2, 43861510), (4, 21930755), (5, 17544604), (7, 12531860), (10, 8772302), (11, 7974820), (14, 6265930), (20, 4386151), (22, 3987410), (28, 3132965), (35, 2506372), (44, 1993705), (55, 1594964), (70, 1253186), (77, 1139260), (110, 797482), (140, 626593), (154, 569630), (220, 398741), (308, 284815), (385, 227852), (770, 113926), (1540, 56963)]