220139360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 144

約数和(自身を含む): 620007696

約数和(自身を除く): 399868336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 344, 392, 430, 490, 560, 602, 653, 688, 784, 860, 980, 1120, 1204, 1306, 1376, 1505, 1568, 1720, 1960, 2107, 2408, 2612, 3010, 3265, 3440, 3920, 4214, 4571, 4816, 5224, 6020, 6530, 6880, 7840, 8428, 9142, 9632, 10448, 10535, 12040, 13060, 16856, 18284, 20896, 21070, 22855, 24080, 26120, 28079, 31997, 33712, 36568, 42140, 45710, 48160, 52240, 56158, 63994, 67424, 73136, 84280, 91420, 104480, 112316, 127988, 140395, 146272, 159985, 168560, 182840, 196553, 224632, 255976, 280790, 319970, 337120, 365680, 393106, 449264, 511952, 561580, 639940, 731360, 786212, 898528, 982765, 1023904, 1123160, 1279880, 1375871, 1572424, 1965530, 2246320, 2559760, 2751742, 3144848, 3931060, 4492640, 5119520, 5503484, 6289696, 6879355, 7862120, 11006968, 13758710, 15724240, 22013936, 27517420, 31448480, 44027872, 55034840, 110069680, 220139360]

約数ペア:

[(1, 220139360), (2, 110069680), (4, 55034840), (5, 44027872), (7, 31448480), (8, 27517420), (10, 22013936), (14, 15724240), (16, 13758710), (20, 11006968), (28, 7862120), (32, 6879355), (35, 6289696), (40, 5503484), (43, 5119520), (49, 4492640), (56, 3931060), (70, 3144848), (80, 2751742), (86, 2559760), (98, 2246320), (112, 1965530), (140, 1572424), (160, 1375871), (172, 1279880), (196, 1123160), (215, 1023904), (224, 982765), (245, 898528), (280, 786212), (301, 731360), (344, 639940), (392, 561580), (430, 511952), (490, 449264), (560, 393106), (602, 365680), (653, 337120), (688, 319970), (784, 280790), (860, 255976), (980, 224632), (1120, 196553), (1204, 182840), (1306, 168560), (1376, 159985), (1505, 146272), (1568, 140395), (1720, 127988), (1960, 112316), (2107, 104480), (2408, 91420), (2612, 84280), (3010, 73136), (3265, 67424), (3440, 63994), (3920, 56158), (4214, 52240), (4571, 48160), (4816, 45710), (5224, 42140), (6020, 36568), (6530, 33712), (6880, 31997), (7840, 28079), (8428, 26120), (9142, 24080), (9632, 22855), (10448, 21070), (10535, 20896), (12040, 18284), (13060, 16856)]