28675140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 87588480

約数和(自身を除く): 58913340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 97, 130, 156, 194, 195, 260, 291, 379, 388, 390, 485, 582, 758, 780, 970, 1137, 1164, 1261, 1455, 1516, 1895, 1940, 2274, 2522, 2910, 3783, 3790, 4548, 4927, 5044, 5685, 5820, 6305, 7566, 7580, 9854, 11370, 12610, 14781, 15132, 18915, 19708, 22740, 24635, 25220, 29562, 36763, 37830, 49270, 59124, 73526, 73905, 75660, 98540, 110289, 147052, 147810, 183815, 220578, 295620, 367630, 441156, 477919, 551445, 735260, 955838, 1102890, 1433757, 1911676, 2205780, 2389595, 2867514, 4779190, 5735028, 7168785, 9558380, 14337570, 28675140]

約数ペア:

[(1, 28675140), (2, 14337570), (3, 9558380), (4, 7168785), (5, 5735028), (6, 4779190), (10, 2867514), (12, 2389595), (13, 2205780), (15, 1911676), (20, 1433757), (26, 1102890), (30, 955838), (39, 735260), (52, 551445), (60, 477919), (65, 441156), (78, 367630), (97, 295620), (130, 220578), (156, 183815), (194, 147810), (195, 147052), (260, 110289), (291, 98540), (379, 75660), (388, 73905), (390, 73526), (485, 59124), (582, 49270), (758, 37830), (780, 36763), (970, 29562), (1137, 25220), (1164, 24635), (1261, 22740), (1455, 19708), (1516, 18915), (1895, 15132), (1940, 14781), (2274, 12610), (2522, 11370), (2910, 9854), (3783, 7580), (3790, 7566), (4548, 6305), (4927, 5820), (5044, 5685)]