256050340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{523}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 665521920

約数和(自身を除く): 409471580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 269, 364, 455, 523, 538, 910, 1046, 1076, 1345, 1820, 1883, 2092, 2615, 2690, 3497, 3661, 3766, 5230, 5380, 6799, 6994, 7322, 7532, 9415, 10460, 13598, 13988, 14644, 17485, 18305, 18830, 24479, 27196, 33995, 34970, 36610, 37660, 47593, 48958, 67990, 69940, 73220, 95186, 97916, 122395, 135980, 140687, 190372, 237965, 244790, 281374, 475930, 489580, 562748, 703435, 951860, 984809, 1406870, 1828931, 1969618, 2813740, 3657862, 3939236, 4924045, 7315724, 9144655, 9848090, 12802517, 18289310, 19696180, 25605034, 36578620, 51210068, 64012585, 128025170, 256050340]

約数ペア:

[(1, 256050340), (2, 128025170), (4, 64012585), (5, 51210068), (7, 36578620), (10, 25605034), (13, 19696180), (14, 18289310), (20, 12802517), (26, 9848090), (28, 9144655), (35, 7315724), (52, 4924045), (65, 3939236), (70, 3657862), (91, 2813740), (130, 1969618), (140, 1828931), (182, 1406870), (260, 984809), (269, 951860), (364, 703435), (455, 562748), (523, 489580), (538, 475930), (910, 281374), (1046, 244790), (1076, 237965), (1345, 190372), (1820, 140687), (1883, 135980), (2092, 122395), (2615, 97916), (2690, 95186), (3497, 73220), (3661, 69940), (3766, 67990), (5230, 48958), (5380, 47593), (6799, 37660), (6994, 36610), (7322, 34970), (7532, 33995), (9415, 27196), (10460, 24479), (13598, 18830), (13988, 18305), (14644, 17485)]