208823440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:597

約数の個数: 160

約数和(自身を含む): 598818816

約数和(自身を除く): 389995376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 368, 434, 460, 496, 523, 560, 620, 644, 713, 805, 868, 920, 1046, 1085, 1240, 1288, 1426, 1610, 1736, 1840, 2092, 2170, 2480, 2576, 2615, 2852, 3220, 3472, 3565, 3661, 4184, 4340, 4991, 5230, 5704, 6440, 7130, 7322, 8368, 8680, 9982, 10460, 11408, 12029, 12880, 14260, 14644, 16213, 17360, 18305, 19964, 20920, 24058, 24955, 28520, 29288, 32426, 36610, 39928, 41840, 48116, 49910, 57040, 58576, 60145, 64852, 73220, 79856, 81065, 84203, 96232, 99820, 113491, 120290, 129704, 146440, 162130, 168406, 192464, 199640, 226982, 240580, 259408, 292880, 324260, 336812, 372899, 399280, 421015, 453964, 481160, 567455, 648520, 673624, 745798, 842030, 907928, 962320, 1134910, 1297040, 1347248, 1491596, 1684060, 1815856, 1864495, 2269820, 2610293, 2983192, 3368120, 3728990, 4539640, 5220586, 5966384, 6736240, 7457980, 9079280, 10441172, 13051465, 14915960, 20882344, 26102930, 29831920, 41764688, 52205860, 104411720, 208823440]

約数ペア:

[(1, 208823440), (2, 104411720), (4, 52205860), (5, 41764688), (7, 29831920), (8, 26102930), (10, 20882344), (14, 14915960), (16, 13051465), (20, 10441172), (23, 9079280), (28, 7457980), (31, 6736240), (35, 5966384), (40, 5220586), (46, 4539640), (56, 3728990), (62, 3368120), (70, 2983192), (80, 2610293), (92, 2269820), (112, 1864495), (115, 1815856), (124, 1684060), (140, 1491596), (155, 1347248), (161, 1297040), (184, 1134910), (217, 962320), (230, 907928), (248, 842030), (280, 745798), (310, 673624), (322, 648520), (368, 567455), (434, 481160), (460, 453964), (496, 421015), (523, 399280), (560, 372899), (620, 336812), (644, 324260), (713, 292880), (805, 259408), (868, 240580), (920, 226982), (1046, 199640), (1085, 192464), (1240, 168406), (1288, 162130), (1426, 146440), (1610, 129704), (1736, 120290), (1840, 113491), (2092, 99820), (2170, 96232), (2480, 84203), (2576, 81065), (2615, 79856), (2852, 73220), (3220, 64852), (3472, 60145), (3565, 58576), (3661, 57040), (4184, 49910), (4340, 48116), (4991, 41840), (5230, 39928), (5704, 36610), (6440, 32426), (7130, 29288), (7322, 28520), (8368, 24955), (8680, 24058), (9982, 20920), (10460, 19964), (11408, 18305), (12029, 17360), (12880, 16213), (14260, 14644)]