208519290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{330983}}^1$

素因数の和:331003

約数の個数: 48

約数和(自身を含む): 619602048

約数和(自身を除く): 411082758

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 330983, 661966, 992949, 1654915, 1985898, 2316881, 2978847, 3309830, 4633762, 4964745, 5957694, 6950643, 9929490, 11584405, 13901286, 14894235, 20851929, 23168810, 29788470, 34753215, 41703858, 69506430, 104259645, 208519290]

約数ペア:

[(1, 208519290), (2, 104259645), (3, 69506430), (5, 41703858), (6, 34753215), (7, 29788470), (9, 23168810), (10, 20851929), (14, 14894235), (15, 13901286), (18, 11584405), (21, 9929490), (30, 6950643), (35, 5957694), (42, 4964745), (45, 4633762), (63, 3309830), (70, 2978847), (90, 2316881), (105, 1985898), (126, 1654915), (210, 992949), (315, 661966), (630, 330983)]