49718320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 120304800

約数和(自身を除く): 70586480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 97, 149, 172, 194, 215, 298, 344, 388, 430, 485, 596, 688, 745, 776, 860, 970, 1192, 1490, 1552, 1720, 1940, 2384, 2980, 3440, 3880, 4171, 5960, 6407, 7760, 8342, 11920, 12814, 14453, 16684, 20855, 25628, 28906, 32035, 33368, 41710, 51256, 57812, 64070, 66736, 72265, 83420, 102512, 115624, 128140, 144530, 166840, 231248, 256280, 289060, 333680, 512560, 578120, 621479, 1156240, 1242958, 2485916, 3107395, 4971832, 6214790, 9943664, 12429580, 24859160, 49718320]

約数ペア:

[(1, 49718320), (2, 24859160), (4, 12429580), (5, 9943664), (8, 6214790), (10, 4971832), (16, 3107395), (20, 2485916), (40, 1242958), (43, 1156240), (80, 621479), (86, 578120), (97, 512560), (149, 333680), (172, 289060), (194, 256280), (215, 231248), (298, 166840), (344, 144530), (388, 128140), (430, 115624), (485, 102512), (596, 83420), (688, 72265), (745, 66736), (776, 64070), (860, 57812), (970, 51256), (1192, 41710), (1490, 33368), (1552, 32035), (1720, 28906), (1940, 25628), (2384, 20855), (2980, 16684), (3440, 14453), (3880, 12814), (4171, 11920), (5960, 8342), (6407, 7760)]