78868790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7879}}^1$

素因数の和:7917

約数の個数: 64

約数和(自身を含む): 190632960

約数和(自身を除く): 111764170

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 7879, 10010, 15758, 39395, 55153, 78790, 86669, 102427, 110306, 173338, 204854, 275765, 433345, 512135, 551530, 606683, 716989, 866690, 1024270, 1126697, 1213366, 1433978, 2253394, 3033415, 3584945, 5633485, 6066830, 7169890, 7886879, 11266970, 15773758, 39434395, 78868790]

約数ペア:

[(1, 78868790), (2, 39434395), (5, 15773758), (7, 11266970), (10, 7886879), (11, 7169890), (13, 6066830), (14, 5633485), (22, 3584945), (26, 3033415), (35, 2253394), (55, 1433978), (65, 1213366), (70, 1126697), (77, 1024270), (91, 866690), (110, 716989), (130, 606683), (143, 551530), (154, 512135), (182, 433345), (286, 275765), (385, 204854), (455, 173338), (715, 110306), (770, 102427), (910, 86669), (1001, 78790), (1430, 55153), (2002, 39395), (5005, 15758), (7879, 10010)]