790950400

素因数分解:

$2^9\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1102

約数の個数: 120

約数和(自身を含む): 1993732884

約数和(自身を除く): 1202782484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 200, 244, 256, 305, 320, 400, 488, 512, 610, 640, 800, 976, 1013, 1220, 1280, 1525, 1600, 1952, 2026, 2440, 2560, 3050, 3200, 3904, 4052, 4880, 5065, 6100, 6400, 7808, 8104, 9760, 10130, 12200, 12800, 15616, 16208, 19520, 20260, 24400, 25325, 31232, 32416, 39040, 40520, 48800, 50650, 61793, 64832, 78080, 81040, 97600, 101300, 123586, 129664, 156160, 162080, 195200, 202600, 247172, 259328, 308965, 324160, 390400, 405200, 494344, 518656, 617930, 648320, 780800, 810400, 988688, 1235860, 1296640, 1544825, 1620800, 1977376, 2471720, 2593280, 3089650, 3241600, 3954752, 4943440, 6179300, 6483200, 7909504, 9886880, 12358600, 12966400, 15819008, 19773760, 24717200, 31638016, 39547520, 49434400, 79095040, 98868800, 158190080, 197737600, 395475200, 790950400]

約数ペア:

[(1, 790950400), (2, 395475200), (4, 197737600), (5, 158190080), (8, 98868800), (10, 79095040), (16, 49434400), (20, 39547520), (25, 31638016), (32, 24717200), (40, 19773760), (50, 15819008), (61, 12966400), (64, 12358600), (80, 9886880), (100, 7909504), (122, 6483200), (128, 6179300), (160, 4943440), (200, 3954752), (244, 3241600), (256, 3089650), (305, 2593280), (320, 2471720), (400, 1977376), (488, 1620800), (512, 1544825), (610, 1296640), (640, 1235860), (800, 988688), (976, 810400), (1013, 780800), (1220, 648320), (1280, 617930), (1525, 518656), (1600, 494344), (1952, 405200), (2026, 390400), (2440, 324160), (2560, 308965), (3050, 259328), (3200, 247172), (3904, 202600), (4052, 195200), (4880, 162080), (5065, 156160), (6100, 129664), (6400, 123586), (7808, 101300), (8104, 97600), (9760, 81040), (10130, 78080), (12200, 64832), (12800, 61793), (15616, 50650), (16208, 48800), (19520, 40520), (20260, 39040), (24400, 32416), (25325, 31232)]