1810367000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1078

約数の個数: 128

約数和(自身を含む): 4596359040

約数和(自身を除く): 2785992040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 157, 200, 250, 260, 314, 325, 500, 520, 628, 650, 785, 887, 1000, 1256, 1300, 1570, 1625, 1774, 2041, 2600, 3140, 3250, 3548, 3925, 4082, 4435, 6280, 6500, 7096, 7850, 8164, 8870, 10205, 11531, 13000, 15700, 16328, 17740, 19625, 20410, 22175, 23062, 31400, 35480, 39250, 40820, 44350, 46124, 51025, 57655, 78500, 81640, 88700, 92248, 102050, 110875, 115310, 139259, 157000, 177400, 204100, 221750, 230620, 255125, 278518, 288275, 408200, 443500, 461240, 510250, 557036, 576550, 696295, 887000, 1020500, 1114072, 1153100, 1392590, 1441375, 1810367, 2041000, 2306200, 2785180, 2882750, 3481475, 3620734, 5570360, 5765500, 6962950, 7241468, 9051835, 11531000, 13925900, 14482936, 17407375, 18103670, 27851800, 34814750, 36207340, 45259175, 69629500, 72414680, 90518350, 139259000, 181036700, 226295875, 362073400, 452591750, 905183500, 1810367000]

約数ペア:

[(1, 1810367000), (2, 905183500), (4, 452591750), (5, 362073400), (8, 226295875), (10, 181036700), (13, 139259000), (20, 90518350), (25, 72414680), (26, 69629500), (40, 45259175), (50, 36207340), (52, 34814750), (65, 27851800), (100, 18103670), (104, 17407375), (125, 14482936), (130, 13925900), (157, 11531000), (200, 9051835), (250, 7241468), (260, 6962950), (314, 5765500), (325, 5570360), (500, 3620734), (520, 3481475), (628, 2882750), (650, 2785180), (785, 2306200), (887, 2041000), (1000, 1810367), (1256, 1441375), (1300, 1392590), (1570, 1153100), (1625, 1114072), (1774, 1020500), (2041, 887000), (2600, 696295), (3140, 576550), (3250, 557036), (3548, 510250), (3925, 461240), (4082, 443500), (4435, 408200), (6280, 288275), (6500, 278518), (7096, 255125), (7850, 230620), (8164, 221750), (8870, 204100), (10205, 177400), (11531, 157000), (13000, 139259), (15700, 115310), (16328, 110875), (17740, 102050), (19625, 92248), (20410, 88700), (22175, 81640), (23062, 78500), (31400, 57655), (35480, 51025), (39250, 46124), (40820, 44350)]