2549990560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:687

約数の個数: 192

約数和(自身を含む): 6803564544

約数和(自身を除く): 4253573984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 71, 80, 104, 124, 130, 142, 155, 160, 208, 248, 260, 284, 310, 355, 403, 416, 496, 520, 557, 568, 620, 710, 806, 923, 992, 1040, 1114, 1136, 1240, 1420, 1612, 1846, 2015, 2080, 2201, 2228, 2272, 2480, 2785, 2840, 3224, 3692, 4030, 4402, 4456, 4615, 4960, 5570, 5680, 6448, 7241, 7384, 8060, 8804, 8912, 9230, 11005, 11140, 11360, 12896, 14482, 14768, 16120, 17267, 17608, 17824, 18460, 22010, 22280, 28613, 28964, 29536, 32240, 34534, 35216, 36205, 36920, 39547, 44020, 44560, 57226, 57928, 64480, 69068, 70432, 72410, 73840, 79094, 86335, 88040, 89120, 114452, 115856, 138136, 143065, 144820, 147680, 158188, 172670, 176080, 197735, 224471, 228904, 231712, 276272, 286130, 289640, 316376, 345340, 352160, 395470, 448942, 457808, 514111, 552544, 572260, 579280, 632752, 690680, 790940, 897884, 915616, 1028222, 1122355, 1144520, 1158560, 1225957, 1265504, 1381360, 1581880, 1795768, 2056444, 2244710, 2289040, 2451914, 2570555, 2762720, 3163760, 3591536, 4112888, 4489420, 4578080, 4903828, 5141110, 6129785, 6327520, 7183072, 8225776, 8978840, 9807656, 10282220, 12259570, 15937441, 16451552, 17957680, 19615312, 20564440, 24519140, 31874882, 35915360, 39230624, 41128880, 49038280, 63749764, 79687205, 82257760, 98076560, 127499528, 159374410, 196153120, 254999056, 318748820, 509998112, 637497640, 1274995280, 2549990560]

約数ペア:

[(1, 2549990560), (2, 1274995280), (4, 637497640), (5, 509998112), (8, 318748820), (10, 254999056), (13, 196153120), (16, 159374410), (20, 127499528), (26, 98076560), (31, 82257760), (32, 79687205), (40, 63749764), (52, 49038280), (62, 41128880), (65, 39230624), (71, 35915360), (80, 31874882), (104, 24519140), (124, 20564440), (130, 19615312), (142, 17957680), (155, 16451552), (160, 15937441), (208, 12259570), (248, 10282220), (260, 9807656), (284, 8978840), (310, 8225776), (355, 7183072), (403, 6327520), (416, 6129785), (496, 5141110), (520, 4903828), (557, 4578080), (568, 4489420), (620, 4112888), (710, 3591536), (806, 3163760), (923, 2762720), (992, 2570555), (1040, 2451914), (1114, 2289040), (1136, 2244710), (1240, 2056444), (1420, 1795768), (1612, 1581880), (1846, 1381360), (2015, 1265504), (2080, 1225957), (2201, 1158560), (2228, 1144520), (2272, 1122355), (2480, 1028222), (2785, 915616), (2840, 897884), (3224, 790940), (3692, 690680), (4030, 632752), (4402, 579280), (4456, 572260), (4615, 552544), (4960, 514111), (5570, 457808), (5680, 448942), (6448, 395470), (7241, 352160), (7384, 345340), (8060, 316376), (8804, 289640), (8912, 286130), (9230, 276272), (11005, 231712), (11140, 228904), (11360, 224471), (12896, 197735), (14482, 176080), (14768, 172670), (16120, 158188), (17267, 147680), (17608, 144820), (17824, 143065), (18460, 138136), (22010, 115856), (22280, 114452), (28613, 89120), (28964, 88040), (29536, 86335), (32240, 79094), (34534, 73840), (35216, 72410), (36205, 70432), (36920, 69068), (39547, 64480), (44020, 57928), (44560, 57226)]