1719241520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{1993}}^1$

素因数の和:2310

約数の個数: 80

約数和(自身を含む): 4112361792

約数和(自身を除く): 2393120272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 263, 328, 410, 526, 656, 820, 1052, 1315, 1640, 1993, 2104, 2630, 3280, 3986, 4208, 5260, 7972, 9965, 10520, 10783, 15944, 19930, 21040, 21566, 31888, 39860, 43132, 53915, 79720, 81713, 86264, 107830, 159440, 163426, 172528, 215660, 326852, 408565, 431320, 524159, 653704, 817130, 862640, 1048318, 1307408, 1634260, 2096636, 2620795, 3268520, 4193272, 5241590, 6537040, 8386544, 10483180, 20966360, 21490519, 41932720, 42981038, 85962076, 107452595, 171924152, 214905190, 343848304, 429810380, 859620760, 1719241520]

約数ペア:

[(1, 1719241520), (2, 859620760), (4, 429810380), (5, 343848304), (8, 214905190), (10, 171924152), (16, 107452595), (20, 85962076), (40, 42981038), (41, 41932720), (80, 21490519), (82, 20966360), (164, 10483180), (205, 8386544), (263, 6537040), (328, 5241590), (410, 4193272), (526, 3268520), (656, 2620795), (820, 2096636), (1052, 1634260), (1315, 1307408), (1640, 1048318), (1993, 862640), (2104, 817130), (2630, 653704), (3280, 524159), (3986, 431320), (4208, 408565), (5260, 326852), (7972, 215660), (9965, 172528), (10520, 163426), (10783, 159440), (15944, 107830), (19930, 86264), (21040, 81713), (21566, 79720), (31888, 53915), (39860, 43132)]