278325870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{28723}}^1$

素因数の和:28769

約数の個数: 64

約数和(自身を含む): 744526080

約数和(自身を除く): 466200210

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 114, 170, 190, 255, 285, 323, 510, 570, 646, 969, 1615, 1938, 3230, 4845, 9690, 28723, 57446, 86169, 143615, 172338, 287230, 430845, 488291, 545737, 861690, 976582, 1091474, 1464873, 1637211, 2441455, 2728685, 2929746, 3274422, 4882910, 5457370, 7324365, 8186055, 9277529, 14648730, 16372110, 18555058, 27832587, 46387645, 55665174, 92775290, 139162935, 278325870]

約数ペア:

[(1, 278325870), (2, 139162935), (3, 92775290), (5, 55665174), (6, 46387645), (10, 27832587), (15, 18555058), (17, 16372110), (19, 14648730), (30, 9277529), (34, 8186055), (38, 7324365), (51, 5457370), (57, 4882910), (85, 3274422), (95, 2929746), (102, 2728685), (114, 2441455), (170, 1637211), (190, 1464873), (255, 1091474), (285, 976582), (323, 861690), (510, 545737), (570, 488291), (646, 430845), (969, 287230), (1615, 172338), (1938, 143615), (3230, 86169), (4845, 57446), (9690, 28723)]