998378560

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5297}}^1$

素因数の和:5364

約数の個数: 112

約数和(自身を含む): 2583728640

約数和(自身を除く): 1585350080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 760, 992, 1178, 1216, 1240, 1520, 1984, 2356, 2480, 2945, 3040, 4712, 4960, 5297, 5890, 6080, 9424, 9920, 10594, 11780, 18848, 21188, 23560, 26485, 37696, 42376, 47120, 52970, 84752, 94240, 100643, 105940, 164207, 169504, 188480, 201286, 211880, 328414, 339008, 402572, 423760, 503215, 656828, 805144, 821035, 847520, 1006430, 1313656, 1610288, 1642070, 1695040, 2012860, 2627312, 3119933, 3220576, 3284140, 4025720, 5254624, 6239866, 6441152, 6568280, 8051440, 10509248, 12479732, 13136560, 15599665, 16102880, 24959464, 26273120, 31199330, 32205760, 49918928, 52546240, 62398660, 99837856, 124797320, 199675712, 249594640, 499189280, 998378560]

約数ペア:

[(1, 998378560), (2, 499189280), (4, 249594640), (5, 199675712), (8, 124797320), (10, 99837856), (16, 62398660), (19, 52546240), (20, 49918928), (31, 32205760), (32, 31199330), (38, 26273120), (40, 24959464), (62, 16102880), (64, 15599665), (76, 13136560), (80, 12479732), (95, 10509248), (124, 8051440), (152, 6568280), (155, 6441152), (160, 6239866), (190, 5254624), (248, 4025720), (304, 3284140), (310, 3220576), (320, 3119933), (380, 2627312), (496, 2012860), (589, 1695040), (608, 1642070), (620, 1610288), (760, 1313656), (992, 1006430), (1178, 847520), (1216, 821035), (1240, 805144), (1520, 656828), (1984, 503215), (2356, 423760), (2480, 402572), (2945, 339008), (3040, 328414), (4712, 211880), (4960, 201286), (5297, 188480), (5890, 169504), (6080, 164207), (9424, 105940), (9920, 100643), (10594, 94240), (11780, 84752), (18848, 52970), (21188, 47120), (23560, 42376), (26485, 37696)]