1279786180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{42293}}^1$

素因数の和:42408

約数の個数: 48

約数和(自身を含む): 2877683760

約数和(自身を除く): 1597897580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 6052, 7565, 15130, 30260, 42293, 84586, 169172, 211465, 422930, 718981, 845860, 1437962, 2875924, 3594905, 3764077, 7189810, 7528154, 14379620, 15056308, 18820385, 37640770, 63989309, 75281540, 127978618, 255957236, 319946545, 639893090, 1279786180]

約数ペア:

[(1, 1279786180), (2, 639893090), (4, 319946545), (5, 255957236), (10, 127978618), (17, 75281540), (20, 63989309), (34, 37640770), (68, 18820385), (85, 15056308), (89, 14379620), (170, 7528154), (178, 7189810), (340, 3764077), (356, 3594905), (445, 2875924), (890, 1437962), (1513, 845860), (1780, 718981), (3026, 422930), (6052, 211465), (7565, 169172), (15130, 84586), (30260, 42293)]