78930020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 190003968

約数和(自身を除く): 111073948

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 67, 92, 115, 130, 134, 197, 230, 260, 268, 299, 335, 394, 460, 598, 670, 788, 871, 985, 1196, 1340, 1495, 1541, 1742, 1970, 2561, 2990, 3082, 3484, 3940, 4355, 4531, 5122, 5980, 6164, 7705, 8710, 9062, 10244, 12805, 13199, 15410, 17420, 18124, 20033, 22655, 25610, 26398, 30820, 40066, 45310, 51220, 52796, 58903, 65995, 80132, 90620, 100165, 117806, 131990, 171587, 200330, 235612, 263980, 294515, 303577, 343174, 400660, 589030, 607154, 686348, 857935, 1178060, 1214308, 1517885, 1715870, 3035770, 3431740, 3946501, 6071540, 7893002, 15786004, 19732505, 39465010, 78930020]

約数ペア:

[(1, 78930020), (2, 39465010), (4, 19732505), (5, 15786004), (10, 7893002), (13, 6071540), (20, 3946501), (23, 3431740), (26, 3035770), (46, 1715870), (52, 1517885), (65, 1214308), (67, 1178060), (92, 857935), (115, 686348), (130, 607154), (134, 589030), (197, 400660), (230, 343174), (260, 303577), (268, 294515), (299, 263980), (335, 235612), (394, 200330), (460, 171587), (598, 131990), (670, 117806), (788, 100165), (871, 90620), (985, 80132), (1196, 65995), (1340, 58903), (1495, 52796), (1541, 51220), (1742, 45310), (1970, 40066), (2561, 30820), (2990, 26398), (3082, 25610), (3484, 22655), (3940, 20033), (4355, 18124), (4531, 17420), (5122, 15410), (5980, 13199), (6164, 12805), (7705, 10244), (8710, 9062)]