201520940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1427}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 443342592

約数和(自身を除く): 241821652

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 307, 460, 614, 1228, 1427, 1535, 2854, 3070, 5708, 6140, 7061, 7135, 14122, 14270, 28244, 28540, 32821, 35305, 65642, 70610, 131284, 141220, 164105, 328210, 438089, 656420, 876178, 1752356, 2190445, 4380890, 8761780, 10076047, 20152094, 40304188, 50380235, 100760470, 201520940]

約数ペア:

[(1, 201520940), (2, 100760470), (4, 50380235), (5, 40304188), (10, 20152094), (20, 10076047), (23, 8761780), (46, 4380890), (92, 2190445), (115, 1752356), (230, 876178), (307, 656420), (460, 438089), (614, 328210), (1228, 164105), (1427, 141220), (1535, 131284), (2854, 70610), (3070, 65642), (5708, 35305), (6140, 32821), (7061, 28540), (7135, 28244), (14122, 14270)]