268410400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 689955840

約数和(自身を除く): 421545440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 79, 80, 100, 124, 137, 155, 158, 160, 200, 248, 274, 310, 316, 395, 400, 496, 548, 620, 632, 685, 775, 790, 800, 992, 1096, 1240, 1264, 1370, 1550, 1580, 1975, 2192, 2449, 2480, 2528, 2740, 3100, 3160, 3425, 3950, 4247, 4384, 4898, 4960, 5480, 6200, 6320, 6850, 7900, 8494, 9796, 10823, 10960, 12245, 12400, 12640, 13700, 15800, 16988, 19592, 21235, 21646, 21920, 24490, 24800, 27400, 31600, 33976, 39184, 42470, 43292, 48980, 54115, 54800, 61225, 63200, 67952, 78368, 84940, 86584, 97960, 106175, 108230, 109600, 122450, 135904, 169880, 173168, 195920, 212350, 216460, 244900, 270575, 335513, 339760, 346336, 391840, 424700, 432920, 489800, 541150, 671026, 679520, 849400, 865840, 979600, 1082300, 1342052, 1677565, 1698800, 1731680, 1959200, 2164600, 2684104, 3355130, 3397600, 4329200, 5368208, 6710260, 8387825, 8658400, 10736416, 13420520, 16775650, 26841040, 33551300, 53682080, 67102600, 134205200, 268410400]

約数ペア:

[(1, 268410400), (2, 134205200), (4, 67102600), (5, 53682080), (8, 33551300), (10, 26841040), (16, 16775650), (20, 13420520), (25, 10736416), (31, 8658400), (32, 8387825), (40, 6710260), (50, 5368208), (62, 4329200), (79, 3397600), (80, 3355130), (100, 2684104), (124, 2164600), (137, 1959200), (155, 1731680), (158, 1698800), (160, 1677565), (200, 1342052), (248, 1082300), (274, 979600), (310, 865840), (316, 849400), (395, 679520), (400, 671026), (496, 541150), (548, 489800), (620, 432920), (632, 424700), (685, 391840), (775, 346336), (790, 339760), (800, 335513), (992, 270575), (1096, 244900), (1240, 216460), (1264, 212350), (1370, 195920), (1550, 173168), (1580, 169880), (1975, 135904), (2192, 122450), (2449, 109600), (2480, 108230), (2528, 106175), (2740, 97960), (3100, 86584), (3160, 84940), (3425, 78368), (3950, 67952), (4247, 63200), (4384, 61225), (4898, 54800), (4960, 54115), (5480, 48980), (6200, 43292), (6320, 42470), (6850, 39184), (7900, 33976), (8494, 31600), (9796, 27400), (10823, 24800), (10960, 24490), (12245, 21920), (12400, 21646), (12640, 21235), (13700, 19592), (15800, 16988)]