278324970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1697}}^1$

素因数の和:1796

約数の個数: 128

約数和(自身を含む): 845033472

約数和(自身を除く): 566708502

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 71, 77, 105, 110, 142, 154, 165, 210, 213, 231, 330, 355, 385, 426, 462, 497, 710, 770, 781, 994, 1065, 1155, 1491, 1562, 1697, 2130, 2310, 2343, 2485, 2982, 3394, 3905, 4686, 4970, 5091, 5467, 7455, 7810, 8485, 10182, 10934, 11715, 11879, 14910, 16401, 16970, 18667, 23430, 23758, 25455, 27335, 32802, 35637, 37334, 50910, 54670, 56001, 59395, 71274, 82005, 93335, 112002, 118790, 120487, 130669, 164010, 178185, 186670, 240974, 261338, 280005, 356370, 361461, 392007, 560010, 602435, 653345, 722922, 784014, 843409, 1204870, 1306690, 1325357, 1686818, 1807305, 1960035, 2530227, 2650714, 3614610, 3920070, 3976071, 4217045, 5060454, 6626785, 7952142, 8434090, 9277499, 12651135, 13253570, 18554998, 19880355, 25302270, 27832497, 39760710, 46387495, 55664994, 92774990, 139162485, 278324970]

約数ペア:

[(1, 278324970), (2, 139162485), (3, 92774990), (5, 55664994), (6, 46387495), (7, 39760710), (10, 27832497), (11, 25302270), (14, 19880355), (15, 18554998), (21, 13253570), (22, 12651135), (30, 9277499), (33, 8434090), (35, 7952142), (42, 6626785), (55, 5060454), (66, 4217045), (70, 3976071), (71, 3920070), (77, 3614610), (105, 2650714), (110, 2530227), (142, 1960035), (154, 1807305), (165, 1686818), (210, 1325357), (213, 1306690), (231, 1204870), (330, 843409), (355, 784014), (385, 722922), (426, 653345), (462, 602435), (497, 560010), (710, 392007), (770, 361461), (781, 356370), (994, 280005), (1065, 261338), (1155, 240974), (1491, 186670), (1562, 178185), (1697, 164010), (2130, 130669), (2310, 120487), (2343, 118790), (2485, 112002), (2982, 93335), (3394, 82005), (3905, 71274), (4686, 59395), (4970, 56001), (5091, 54670), (5467, 50910), (7455, 37334), (7810, 35637), (8485, 32802), (10182, 27335), (10934, 25455), (11715, 23758), (11879, 23430), (14910, 18667), (16401, 16970)]