42910280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21893}}^1$

素因数の和:21918

約数の個数: 48

約数和(自身を含む): 112316220

約数和(自身を除く): 69405940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 21893, 43786, 87572, 109465, 153251, 175144, 218930, 306502, 437860, 613004, 766255, 875720, 1072757, 1226008, 1532510, 2145514, 3065020, 4291028, 5363785, 6130040, 8582056, 10727570, 21455140, 42910280]

約数ペア:

[(1, 42910280), (2, 21455140), (4, 10727570), (5, 8582056), (7, 6130040), (8, 5363785), (10, 4291028), (14, 3065020), (20, 2145514), (28, 1532510), (35, 1226008), (40, 1072757), (49, 875720), (56, 766255), (70, 613004), (98, 437860), (140, 306502), (196, 218930), (245, 175144), (280, 153251), (392, 109465), (490, 87572), (980, 43786), (1960, 21893)]