1649762440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{21227}}^1$

素因数の和:21334

約数の個数: 64

約数和(自身を含む): 3897460800

約数和(自身を除く): 2247698360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 116, 134, 145, 232, 268, 290, 335, 536, 580, 670, 1160, 1340, 1943, 2680, 3886, 7772, 9715, 15544, 19430, 21227, 38860, 42454, 77720, 84908, 106135, 169816, 212270, 424540, 615583, 849080, 1231166, 1422209, 2462332, 2844418, 3077915, 4924664, 5688836, 6155830, 7111045, 11377672, 12311660, 14222090, 24623320, 28444180, 41244061, 56888360, 82488122, 164976244, 206220305, 329952488, 412440610, 824881220, 1649762440]

約数ペア:

[(1, 1649762440), (2, 824881220), (4, 412440610), (5, 329952488), (8, 206220305), (10, 164976244), (20, 82488122), (29, 56888360), (40, 41244061), (58, 28444180), (67, 24623320), (116, 14222090), (134, 12311660), (145, 11377672), (232, 7111045), (268, 6155830), (290, 5688836), (335, 4924664), (536, 3077915), (580, 2844418), (670, 2462332), (1160, 1422209), (1340, 1231166), (1943, 849080), (2680, 615583), (3886, 424540), (7772, 212270), (9715, 169816), (15544, 106135), (19430, 84908), (21227, 77720), (38860, 42454)]