197389400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 517154400

約数和(自身を除く): 319765000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 79, 100, 104, 124, 130, 155, 158, 200, 248, 260, 310, 316, 325, 395, 403, 520, 620, 632, 650, 775, 790, 806, 961, 1027, 1240, 1300, 1550, 1580, 1612, 1922, 1975, 2015, 2054, 2449, 2600, 3100, 3160, 3224, 3844, 3950, 4030, 4108, 4805, 4898, 5135, 6200, 7688, 7900, 8060, 8216, 9610, 9796, 10075, 10270, 12245, 12493, 15800, 16120, 19220, 19592, 20150, 20540, 24025, 24490, 24986, 25675, 31837, 38440, 40300, 41080, 48050, 48980, 49972, 51350, 61225, 62465, 63674, 75919, 80600, 96100, 97960, 99944, 102700, 122450, 124930, 127348, 151838, 159185, 192200, 205400, 244900, 249860, 254696, 303676, 312325, 318370, 379595, 489800, 499720, 607352, 624650, 636740, 759190, 795925, 986947, 1249300, 1273480, 1518380, 1591850, 1897975, 1973894, 2498600, 3036760, 3183700, 3795950, 3947788, 4934735, 6367400, 7591900, 7895576, 9869470, 15183800, 19738940, 24673675, 39477880, 49347350, 98694700, 197389400]

約数ペア:

[(1, 197389400), (2, 98694700), (4, 49347350), (5, 39477880), (8, 24673675), (10, 19738940), (13, 15183800), (20, 9869470), (25, 7895576), (26, 7591900), (31, 6367400), (40, 4934735), (50, 3947788), (52, 3795950), (62, 3183700), (65, 3036760), (79, 2498600), (100, 1973894), (104, 1897975), (124, 1591850), (130, 1518380), (155, 1273480), (158, 1249300), (200, 986947), (248, 795925), (260, 759190), (310, 636740), (316, 624650), (325, 607352), (395, 499720), (403, 489800), (520, 379595), (620, 318370), (632, 312325), (650, 303676), (775, 254696), (790, 249860), (806, 244900), (961, 205400), (1027, 192200), (1240, 159185), (1300, 151838), (1550, 127348), (1580, 124930), (1612, 122450), (1922, 102700), (1975, 99944), (2015, 97960), (2054, 96100), (2449, 80600), (2600, 75919), (3100, 63674), (3160, 62465), (3224, 61225), (3844, 51350), (3950, 49972), (4030, 48980), (4108, 48050), (4805, 41080), (4898, 40300), (5135, 38440), (6200, 31837), (7688, 25675), (7900, 24986), (8060, 24490), (8216, 24025), (9610, 20540), (9796, 20150), (10075, 19592), (10270, 19220), (12245, 16120), (12493, 15800)]