201812780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{45659}}^1$

素因数の和:45698

約数の個数: 48

約数和(自身を含む): 483265440

約数和(自身を除く): 281452660

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 45659, 91318, 182636, 228295, 456590, 593567, 776203, 913180, 1187134, 1552406, 2374268, 2967835, 3104812, 3881015, 5935670, 7762030, 10090639, 11871340, 15524060, 20181278, 40362556, 50453195, 100906390, 201812780]

約数ペア:

[(1, 201812780), (2, 100906390), (4, 50453195), (5, 40362556), (10, 20181278), (13, 15524060), (17, 11871340), (20, 10090639), (26, 7762030), (34, 5935670), (52, 3881015), (65, 3104812), (68, 2967835), (85, 2374268), (130, 1552406), (170, 1187134), (221, 913180), (260, 776203), (340, 593567), (442, 456590), (884, 228295), (1105, 182636), (2210, 91318), (4420, 45659)]