7869862840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1\times {\mathrm{757}}^1$

素因数の和:1229

約数の個数: 128

約数和(自身を含む): 20511843840

約数和(自身を除く): 12641981000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 347, 428, 535, 694, 749, 757, 856, 1070, 1388, 1498, 1514, 1735, 2140, 2429, 2776, 2996, 3028, 3470, 3745, 3785, 4280, 4858, 5299, 5992, 6056, 6940, 7490, 7570, 9716, 10598, 12145, 13880, 14980, 15140, 19432, 21196, 24290, 26495, 29960, 30280, 37129, 42392, 48580, 52990, 74258, 80999, 97160, 105980, 148516, 161998, 185645, 211960, 259903, 262679, 297032, 323996, 371290, 404995, 519806, 525358, 566993, 647992, 742580, 809990, 1039612, 1050716, 1133986, 1299515, 1313395, 1485160, 1619980, 1838753, 2079224, 2101432, 2267972, 2599030, 2626790, 2834965, 3239960, 3677506, 4535944, 5198060, 5253580, 5669930, 7355012, 9193765, 10396120, 10507160, 11339860, 14710024, 18387530, 22679720, 28106653, 36775060, 56213306, 73550120, 112426612, 140533265, 196746571, 224853224, 281066530, 393493142, 562133060, 786986284, 983732855, 1124266120, 1573972568, 1967465710, 3934931420, 7869862840]

約数ペア:

[(1, 7869862840), (2, 3934931420), (4, 1967465710), (5, 1573972568), (7, 1124266120), (8, 983732855), (10, 786986284), (14, 562133060), (20, 393493142), (28, 281066530), (35, 224853224), (40, 196746571), (56, 140533265), (70, 112426612), (107, 73550120), (140, 56213306), (214, 36775060), (280, 28106653), (347, 22679720), (428, 18387530), (535, 14710024), (694, 11339860), (749, 10507160), (757, 10396120), (856, 9193765), (1070, 7355012), (1388, 5669930), (1498, 5253580), (1514, 5198060), (1735, 4535944), (2140, 3677506), (2429, 3239960), (2776, 2834965), (2996, 2626790), (3028, 2599030), (3470, 2267972), (3745, 2101432), (3785, 2079224), (4280, 1838753), (4858, 1619980), (5299, 1485160), (5992, 1313395), (6056, 1299515), (6940, 1133986), (7490, 1050716), (7570, 1039612), (9716, 809990), (10598, 742580), (12145, 647992), (13880, 566993), (14980, 525358), (15140, 519806), (19432, 404995), (21196, 371290), (24290, 323996), (26495, 297032), (29960, 262679), (30280, 259903), (37129, 211960), (42392, 185645), (48580, 161998), (52990, 148516), (74258, 105980), (80999, 97160)]