78872750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 177914880

約数和(自身を除く): 99042130

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 29, 43, 46, 50, 55, 58, 86, 110, 115, 125, 145, 215, 230, 250, 253, 275, 290, 319, 430, 473, 506, 550, 575, 638, 667, 725, 946, 989, 1075, 1150, 1247, 1265, 1334, 1375, 1450, 1595, 1978, 2150, 2365, 2494, 2530, 2750, 2875, 3190, 3335, 3625, 4730, 4945, 5375, 5750, 6235, 6325, 6670, 7250, 7337, 7975, 9890, 10750, 10879, 11825, 12470, 12650, 13717, 14674, 15950, 16675, 21758, 23650, 24725, 27434, 28681, 31175, 31625, 33350, 36685, 39875, 49450, 54395, 57362, 59125, 62350, 63250, 68585, 73370, 79750, 83375, 108790, 118250, 123625, 137170, 143405, 155875, 166750, 183425, 247250, 271975, 286810, 311750, 315491, 342925, 366850, 543950, 630982, 685850, 717025, 917125, 1359875, 1434050, 1577455, 1714625, 1834250, 2719750, 3154910, 3429250, 3585125, 7170250, 7887275, 15774550, 39436375, 78872750]

約数ペア:

[(1, 78872750), (2, 39436375), (5, 15774550), (10, 7887275), (11, 7170250), (22, 3585125), (23, 3429250), (25, 3154910), (29, 2719750), (43, 1834250), (46, 1714625), (50, 1577455), (55, 1434050), (58, 1359875), (86, 917125), (110, 717025), (115, 685850), (125, 630982), (145, 543950), (215, 366850), (230, 342925), (250, 315491), (253, 311750), (275, 286810), (290, 271975), (319, 247250), (430, 183425), (473, 166750), (506, 155875), (550, 143405), (575, 137170), (638, 123625), (667, 118250), (725, 108790), (946, 83375), (989, 79750), (1075, 73370), (1150, 68585), (1247, 63250), (1265, 62350), (1334, 59125), (1375, 57362), (1450, 54395), (1595, 49450), (1978, 39875), (2150, 36685), (2365, 33350), (2494, 31625), (2530, 31175), (2750, 28681), (2875, 27434), (3190, 24725), (3335, 23650), (3625, 21758), (4730, 16675), (4945, 15950), (5375, 14674), (5750, 13717), (6235, 12650), (6325, 12470), (6670, 11825), (7250, 10879), (7337, 10750), (7975, 9890)]