256507410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{727}}^1$

素因数の和:1375

約数の個数: 64

約数和(自身を含む): 649958400

約数和(自身を除く): 393450990

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 619, 727, 1238, 1454, 1857, 2181, 3095, 3635, 3714, 4362, 6190, 7270, 9285, 10905, 11761, 13813, 18570, 21810, 23522, 27626, 35283, 41439, 58805, 69065, 70566, 82878, 117610, 138130, 176415, 207195, 352830, 414390, 450013, 900026, 1350039, 2250065, 2700078, 4500130, 6750195, 8550247, 13500390, 17100494, 25650741, 42751235, 51301482, 85502470, 128253705, 256507410]

約数ペア:

[(1, 256507410), (2, 128253705), (3, 85502470), (5, 51301482), (6, 42751235), (10, 25650741), (15, 17100494), (19, 13500390), (30, 8550247), (38, 6750195), (57, 4500130), (95, 2700078), (114, 2250065), (190, 1350039), (285, 900026), (570, 450013), (619, 414390), (727, 352830), (1238, 207195), (1454, 176415), (1857, 138130), (2181, 117610), (3095, 82878), (3635, 70566), (3714, 69065), (4362, 58805), (6190, 41439), (7270, 35283), (9285, 27626), (10905, 23522), (11761, 21810), (13813, 18570)]