280005888

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 811059200

約数和(自身を除く): 531053312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 64, 76, 93, 96, 114, 124, 128, 152, 186, 192, 228, 248, 256, 304, 372, 384, 456, 496, 589, 608, 619, 744, 768, 912, 992, 1178, 1216, 1238, 1488, 1767, 1824, 1857, 1984, 2356, 2432, 2476, 2976, 3534, 3648, 3714, 3968, 4712, 4864, 4952, 5952, 7068, 7296, 7428, 7936, 9424, 9904, 11761, 11904, 14136, 14592, 14856, 18848, 19189, 19808, 23522, 23808, 28272, 29712, 35283, 37696, 38378, 39616, 47044, 56544, 57567, 59424, 70566, 75392, 76756, 79232, 94088, 113088, 115134, 118848, 141132, 150784, 153512, 158464, 188176, 226176, 230268, 237696, 282264, 307024, 364591, 376352, 452352, 460536, 475392, 564528, 614048, 729182, 752704, 921072, 1093773, 1129056, 1228096, 1458364, 1505408, 1842144, 2187546, 2258112, 2456192, 2916728, 3010816, 3684288, 4375092, 4516224, 4912384, 5833456, 7368576, 8750184, 9032448, 11666912, 14737152, 17500368, 23333824, 35000736, 46667648, 70001472, 93335296, 140002944, 280005888]

約数ペア:

[(1, 280005888), (2, 140002944), (3, 93335296), (4, 70001472), (6, 46667648), (8, 35000736), (12, 23333824), (16, 17500368), (19, 14737152), (24, 11666912), (31, 9032448), (32, 8750184), (38, 7368576), (48, 5833456), (57, 4912384), (62, 4516224), (64, 4375092), (76, 3684288), (93, 3010816), (96, 2916728), (114, 2456192), (124, 2258112), (128, 2187546), (152, 1842144), (186, 1505408), (192, 1458364), (228, 1228096), (248, 1129056), (256, 1093773), (304, 921072), (372, 752704), (384, 729182), (456, 614048), (496, 564528), (589, 475392), (608, 460536), (619, 452352), (744, 376352), (768, 364591), (912, 307024), (992, 282264), (1178, 237696), (1216, 230268), (1238, 226176), (1488, 188176), (1767, 158464), (1824, 153512), (1857, 150784), (1984, 141132), (2356, 118848), (2432, 115134), (2476, 113088), (2976, 94088), (3534, 79232), (3648, 76756), (3714, 75392), (3968, 70566), (4712, 59424), (4864, 57567), (4952, 56544), (5952, 47044), (7068, 39616), (7296, 38378), (7428, 37696), (7936, 35283), (9424, 29712), (9904, 28272), (11761, 23808), (11904, 23522), (14136, 19808), (14592, 19189), (14856, 18848)]