31374850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 65352960

約数和(自身を除く): 33978110

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 79, 94, 130, 158, 169, 235, 325, 338, 395, 470, 611, 650, 790, 845, 1027, 1175, 1222, 1690, 1975, 2054, 2350, 3055, 3713, 3950, 4225, 5135, 6110, 7426, 7943, 8450, 10270, 13351, 15275, 15886, 18565, 25675, 26702, 30550, 37130, 39715, 48269, 51350, 66755, 79430, 92825, 96538, 133510, 185650, 198575, 241345, 333775, 397150, 482690, 627497, 667550, 1206725, 1254994, 2413450, 3137485, 6274970, 15687425, 31374850]

約数ペア:

[(1, 31374850), (2, 15687425), (5, 6274970), (10, 3137485), (13, 2413450), (25, 1254994), (26, 1206725), (47, 667550), (50, 627497), (65, 482690), (79, 397150), (94, 333775), (130, 241345), (158, 198575), (169, 185650), (235, 133510), (325, 96538), (338, 92825), (395, 79430), (470, 66755), (611, 51350), (650, 48269), (790, 39715), (845, 37130), (1027, 30550), (1175, 26702), (1222, 25675), (1690, 18565), (1975, 15886), (2054, 15275), (2350, 13351), (3055, 10270), (3713, 8450), (3950, 7943), (4225, 7426), (5135, 6110)]