311378384

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 689384448

約数和(自身を除く): 378006064

約数列:

[1, 2, 4, 8, 16, 19, 31, 37, 38, 47, 62, 74, 76, 94, 124, 148, 152, 188, 248, 296, 304, 361, 376, 496, 589, 592, 703, 722, 752, 893, 1147, 1178, 1406, 1444, 1457, 1739, 1786, 2294, 2356, 2812, 2888, 2914, 3478, 3572, 4588, 4712, 5624, 5776, 5828, 6956, 7144, 9176, 9424, 11191, 11248, 11656, 13357, 13912, 14288, 16967, 18352, 21793, 22382, 23312, 26714, 27683, 27824, 33041, 33934, 43586, 44764, 53428, 53909, 55366, 66082, 67868, 87172, 89528, 106856, 107818, 110732, 132164, 135736, 174344, 179056, 213712, 215636, 221464, 264328, 271472, 348688, 414067, 431272, 442928, 525977, 528656, 627779, 828134, 862544, 1024271, 1051954, 1255558, 1656268, 2048542, 2103908, 2511116, 3312536, 4097084, 4207816, 5022232, 6625072, 8194168, 8415632, 10044464, 16388336, 19461149, 38922298, 77844596, 155689192, 311378384]

約数ペア:

[(1, 311378384), (2, 155689192), (4, 77844596), (8, 38922298), (16, 19461149), (19, 16388336), (31, 10044464), (37, 8415632), (38, 8194168), (47, 6625072), (62, 5022232), (74, 4207816), (76, 4097084), (94, 3312536), (124, 2511116), (148, 2103908), (152, 2048542), (188, 1656268), (248, 1255558), (296, 1051954), (304, 1024271), (361, 862544), (376, 828134), (496, 627779), (589, 528656), (592, 525977), (703, 442928), (722, 431272), (752, 414067), (893, 348688), (1147, 271472), (1178, 264328), (1406, 221464), (1444, 215636), (1457, 213712), (1739, 179056), (1786, 174344), (2294, 135736), (2356, 132164), (2812, 110732), (2888, 107818), (2914, 106856), (3478, 89528), (3572, 87172), (4588, 67868), (4712, 66082), (5624, 55366), (5776, 53909), (5828, 53428), (6956, 44764), (7144, 43586), (9176, 33934), (9424, 33041), (11191, 27824), (11248, 27683), (11656, 26714), (13357, 23312), (13912, 22382), (14288, 21793), (16967, 18352)]