189965840

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 453720960

約数和(自身を除く): 263755120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 167, 236, 241, 295, 334, 472, 482, 590, 668, 835, 944, 964, 1180, 1205, 1336, 1670, 1928, 2360, 2410, 2672, 3340, 3856, 4720, 4820, 6680, 9640, 9853, 13360, 14219, 19280, 19706, 28438, 39412, 40247, 49265, 56876, 71095, 78824, 80494, 98530, 113752, 142190, 157648, 160988, 197060, 201235, 227504, 284380, 321976, 394120, 402470, 568760, 643952, 788240, 804940, 1137520, 1609880, 2374573, 3219760, 4749146, 9498292, 11872865, 18996584, 23745730, 37993168, 47491460, 94982920, 189965840]

約数ペア:

[(1, 189965840), (2, 94982920), (4, 47491460), (5, 37993168), (8, 23745730), (10, 18996584), (16, 11872865), (20, 9498292), (40, 4749146), (59, 3219760), (80, 2374573), (118, 1609880), (167, 1137520), (236, 804940), (241, 788240), (295, 643952), (334, 568760), (472, 402470), (482, 394120), (590, 321976), (668, 284380), (835, 227504), (944, 201235), (964, 197060), (1180, 160988), (1205, 157648), (1336, 142190), (1670, 113752), (1928, 98530), (2360, 80494), (2410, 78824), (2672, 71095), (3340, 56876), (3856, 49265), (4720, 40247), (4820, 39412), (6680, 28438), (9640, 19706), (9853, 19280), (13360, 14219)]