90445180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2251}}^1$

素因数の和:2315

約数の個数: 72

約数和(自身を含む): 226434096

約数和(自身を除く): 135988916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2251, 2870, 4018, 4502, 5740, 8036, 9004, 10045, 11255, 15757, 20090, 22510, 31514, 40180, 45020, 63028, 78785, 92291, 110299, 157570, 184582, 220598, 315140, 369164, 441196, 461455, 551495, 646037, 922910, 1102990, 1292074, 1845820, 2205980, 2584148, 3230185, 4522259, 6460370, 9044518, 12920740, 18089036, 22611295, 45222590, 90445180]

約数ペア:

[(1, 90445180), (2, 45222590), (4, 22611295), (5, 18089036), (7, 12920740), (10, 9044518), (14, 6460370), (20, 4522259), (28, 3230185), (35, 2584148), (41, 2205980), (49, 1845820), (70, 1292074), (82, 1102990), (98, 922910), (140, 646037), (164, 551495), (196, 461455), (205, 441196), (245, 369164), (287, 315140), (410, 220598), (490, 184582), (574, 157570), (820, 110299), (980, 92291), (1148, 78785), (1435, 63028), (2009, 45020), (2251, 40180), (2870, 31514), (4018, 22510), (4502, 20090), (5740, 15757), (8036, 11255), (9004, 10045)]