203947216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 460684800

約数和(自身を除く): 256737584

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 71, 76, 88, 142, 152, 176, 209, 284, 304, 418, 568, 781, 836, 859, 1136, 1349, 1562, 1672, 1718, 2698, 3124, 3344, 3436, 5396, 6248, 6872, 9449, 10792, 12496, 13744, 14839, 16321, 18898, 21584, 29678, 32642, 37796, 59356, 60989, 65284, 75592, 118712, 121978, 130568, 151184, 179531, 237424, 243956, 261136, 359062, 487912, 670879, 718124, 975824, 1158791, 1341758, 1436248, 2317582, 2683516, 2872496, 4635164, 5367032, 9270328, 10734064, 12746701, 18540656, 25493402, 50986804, 101973608, 203947216]

約数ペア:

[(1, 203947216), (2, 101973608), (4, 50986804), (8, 25493402), (11, 18540656), (16, 12746701), (19, 10734064), (22, 9270328), (38, 5367032), (44, 4635164), (71, 2872496), (76, 2683516), (88, 2317582), (142, 1436248), (152, 1341758), (176, 1158791), (209, 975824), (284, 718124), (304, 670879), (418, 487912), (568, 359062), (781, 261136), (836, 243956), (859, 237424), (1136, 179531), (1349, 151184), (1562, 130568), (1672, 121978), (1718, 118712), (2698, 75592), (3124, 65284), (3344, 60989), (3436, 59356), (5396, 37796), (6248, 32642), (6872, 29678), (9449, 21584), (10792, 18898), (12496, 16321), (13744, 14839)]