263304210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 711535104

約数和(自身を除く): 448230894

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 71, 74, 78, 111, 130, 142, 185, 195, 213, 222, 257, 355, 370, 390, 426, 481, 514, 555, 710, 771, 923, 962, 1065, 1110, 1285, 1443, 1542, 1846, 2130, 2405, 2570, 2627, 2769, 2886, 3341, 3855, 4615, 4810, 5254, 5538, 6682, 7215, 7710, 7881, 9230, 9509, 10023, 13135, 13845, 14430, 15762, 16705, 18247, 19018, 20046, 26270, 27690, 28527, 33410, 34151, 36494, 39405, 47545, 50115, 54741, 57054, 68302, 78810, 91235, 95090, 100230, 102453, 109482, 123617, 142635, 170755, 182470, 204906, 237211, 247234, 273705, 285270, 341510, 370851, 474422, 512265, 547410, 618085, 675139, 711633, 741702, 1024530, 1186055, 1236170, 1350278, 1423266, 1854255, 2025417, 2372110, 3375695, 3558165, 3708510, 4050834, 6751390, 7116330, 8776807, 10127085, 17553614, 20254170, 26330421, 43884035, 52660842, 87768070, 131652105, 263304210]

約数ペア:

[(1, 263304210), (2, 131652105), (3, 87768070), (5, 52660842), (6, 43884035), (10, 26330421), (13, 20254170), (15, 17553614), (26, 10127085), (30, 8776807), (37, 7116330), (39, 6751390), (65, 4050834), (71, 3708510), (74, 3558165), (78, 3375695), (111, 2372110), (130, 2025417), (142, 1854255), (185, 1423266), (195, 1350278), (213, 1236170), (222, 1186055), (257, 1024530), (355, 741702), (370, 711633), (390, 675139), (426, 618085), (481, 547410), (514, 512265), (555, 474422), (710, 370851), (771, 341510), (923, 285270), (962, 273705), (1065, 247234), (1110, 237211), (1285, 204906), (1443, 182470), (1542, 170755), (1846, 142635), (2130, 123617), (2405, 109482), (2570, 102453), (2627, 100230), (2769, 95090), (2886, 91235), (3341, 78810), (3855, 68302), (4615, 57054), (4810, 54741), (5254, 50115), (5538, 47545), (6682, 39405), (7215, 36494), (7710, 34151), (7881, 33410), (9230, 28527), (9509, 27690), (10023, 26270), (13135, 20046), (13845, 19018), (14430, 18247), (15762, 16705)]