290427280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:569

約数の個数: 160

約数和(自身を含む): 809948160

約数和(自身を除く): 519520880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 53, 55, 65, 80, 88, 104, 106, 110, 130, 143, 176, 208, 212, 220, 260, 265, 286, 424, 440, 479, 520, 530, 572, 583, 689, 715, 848, 880, 958, 1040, 1060, 1144, 1166, 1378, 1430, 1916, 2120, 2288, 2332, 2395, 2756, 2860, 2915, 3445, 3832, 4240, 4664, 4790, 5269, 5512, 5720, 5830, 6227, 6890, 7579, 7664, 9328, 9580, 10538, 11024, 11440, 11660, 12454, 13780, 15158, 19160, 21076, 23320, 24908, 25387, 26345, 27560, 30316, 31135, 37895, 38320, 42152, 46640, 49816, 50774, 52690, 55120, 60632, 62270, 68497, 75790, 84304, 99632, 101548, 105380, 121264, 124540, 126935, 136994, 151580, 203096, 210760, 249080, 253870, 273988, 279257, 303160, 330031, 342485, 406192, 421520, 498160, 507740, 547976, 558514, 606320, 660062, 684970, 1015480, 1095952, 1117028, 1320124, 1369940, 1396285, 1650155, 2030960, 2234056, 2640248, 2739880, 2792570, 3300310, 3630341, 4468112, 5280496, 5479760, 5585140, 6600620, 7260682, 11170280, 13201240, 14521364, 18151705, 22340560, 26402480, 29042728, 36303410, 58085456, 72606820, 145213640, 290427280]

約数ペア:

[(1, 290427280), (2, 145213640), (4, 72606820), (5, 58085456), (8, 36303410), (10, 29042728), (11, 26402480), (13, 22340560), (16, 18151705), (20, 14521364), (22, 13201240), (26, 11170280), (40, 7260682), (44, 6600620), (52, 5585140), (53, 5479760), (55, 5280496), (65, 4468112), (80, 3630341), (88, 3300310), (104, 2792570), (106, 2739880), (110, 2640248), (130, 2234056), (143, 2030960), (176, 1650155), (208, 1396285), (212, 1369940), (220, 1320124), (260, 1117028), (265, 1095952), (286, 1015480), (424, 684970), (440, 660062), (479, 606320), (520, 558514), (530, 547976), (572, 507740), (583, 498160), (689, 421520), (715, 406192), (848, 342485), (880, 330031), (958, 303160), (1040, 279257), (1060, 273988), (1144, 253870), (1166, 249080), (1378, 210760), (1430, 203096), (1916, 151580), (2120, 136994), (2288, 126935), (2332, 124540), (2395, 121264), (2756, 105380), (2860, 101548), (2915, 99632), (3445, 84304), (3832, 75790), (4240, 68497), (4664, 62270), (4790, 60632), (5269, 55120), (5512, 52690), (5720, 50774), (5830, 49816), (6227, 46640), (6890, 42152), (7579, 38320), (7664, 37895), (9328, 31135), (9580, 30316), (10538, 27560), (11024, 26345), (11440, 25387), (11660, 24908), (12454, 23320), (13780, 21076), (15158, 19160)]