2116747640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 5540400000

約数和(自身を除く): 3423652360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 149, 226, 280, 298, 449, 452, 565, 596, 745, 791, 898, 904, 1043, 1130, 1192, 1490, 1582, 1796, 2086, 2245, 2260, 2980, 3143, 3164, 3592, 3955, 4172, 4490, 4520, 5215, 5960, 6286, 6328, 7910, 8344, 8980, 10430, 12572, 15715, 15820, 16837, 17960, 20860, 25144, 31430, 31640, 33674, 41720, 50737, 62860, 66901, 67348, 84185, 101474, 117859, 125720, 133802, 134696, 168370, 202948, 235718, 253685, 267604, 334505, 336740, 355159, 405896, 468307, 471436, 507370, 535208, 589295, 669010, 673480, 710318, 936614, 942872, 1014740, 1178590, 1338020, 1420636, 1775795, 1873228, 2029480, 2341535, 2357180, 2676040, 2841272, 3551590, 3746456, 4683070, 4714360, 7103180, 7559813, 9366140, 14206360, 15119626, 18732280, 30239252, 37799065, 52918691, 60478504, 75598130, 105837382, 151196260, 211674764, 264593455, 302392520, 423349528, 529186910, 1058373820, 2116747640]

約数ペア:

[(1, 2116747640), (2, 1058373820), (4, 529186910), (5, 423349528), (7, 302392520), (8, 264593455), (10, 211674764), (14, 151196260), (20, 105837382), (28, 75598130), (35, 60478504), (40, 52918691), (56, 37799065), (70, 30239252), (113, 18732280), (140, 15119626), (149, 14206360), (226, 9366140), (280, 7559813), (298, 7103180), (449, 4714360), (452, 4683070), (565, 3746456), (596, 3551590), (745, 2841272), (791, 2676040), (898, 2357180), (904, 2341535), (1043, 2029480), (1130, 1873228), (1192, 1775795), (1490, 1420636), (1582, 1338020), (1796, 1178590), (2086, 1014740), (2245, 942872), (2260, 936614), (2980, 710318), (3143, 673480), (3164, 669010), (3592, 589295), (3955, 535208), (4172, 507370), (4490, 471436), (4520, 468307), (5215, 405896), (5960, 355159), (6286, 336740), (6328, 334505), (7910, 267604), (8344, 253685), (8980, 235718), (10430, 202948), (12572, 168370), (15715, 134696), (15820, 133802), (16837, 125720), (17960, 117859), (20860, 101474), (25144, 84185), (31430, 67348), (31640, 66901), (33674, 62860), (41720, 50737)]