828713080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 2097446400

約数和(自身を除く): 1268733320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 101, 104, 124, 130, 155, 202, 248, 260, 310, 403, 404, 505, 509, 520, 620, 806, 808, 1010, 1018, 1240, 1313, 1612, 2015, 2020, 2036, 2545, 2626, 3131, 3224, 4030, 4040, 4072, 5090, 5252, 6262, 6565, 6617, 8060, 10180, 10504, 12524, 13130, 13234, 15655, 15779, 16120, 20360, 25048, 26260, 26468, 31310, 31558, 33085, 40703, 51409, 52520, 52936, 62620, 63116, 66170, 78895, 81406, 102818, 125240, 126232, 132340, 157790, 162812, 203515, 205127, 205636, 257045, 264680, 315580, 325624, 407030, 410254, 411272, 514090, 631160, 668317, 814060, 820508, 1025635, 1028180, 1336634, 1593679, 1628120, 1641016, 2051270, 2056360, 2673268, 3187358, 3341585, 4102540, 5346536, 6374716, 6683170, 7968395, 8205080, 12749432, 13366340, 15936790, 20717827, 26732680, 31873580, 41435654, 63747160, 82871308, 103589135, 165742616, 207178270, 414356540, 828713080]

約数ペア:

[(1, 828713080), (2, 414356540), (4, 207178270), (5, 165742616), (8, 103589135), (10, 82871308), (13, 63747160), (20, 41435654), (26, 31873580), (31, 26732680), (40, 20717827), (52, 15936790), (62, 13366340), (65, 12749432), (101, 8205080), (104, 7968395), (124, 6683170), (130, 6374716), (155, 5346536), (202, 4102540), (248, 3341585), (260, 3187358), (310, 2673268), (403, 2056360), (404, 2051270), (505, 1641016), (509, 1628120), (520, 1593679), (620, 1336634), (806, 1028180), (808, 1025635), (1010, 820508), (1018, 814060), (1240, 668317), (1313, 631160), (1612, 514090), (2015, 411272), (2020, 410254), (2036, 407030), (2545, 325624), (2626, 315580), (3131, 264680), (3224, 257045), (4030, 205636), (4040, 205127), (4072, 203515), (5090, 162812), (5252, 157790), (6262, 132340), (6565, 126232), (6617, 125240), (8060, 102818), (10180, 81406), (10504, 78895), (12524, 66170), (13130, 63116), (13234, 62620), (15655, 52936), (15779, 52520), (16120, 51409), (20360, 40703), (25048, 33085), (26260, 31558), (26468, 31310)]