219953920

素因数分解:

$2^8\times 5^1\times {\mathrm{227}}^1\times {\mathrm{757}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 529878384

約数和(自身を除く): 309924464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 256, 320, 454, 640, 757, 908, 1135, 1280, 1514, 1816, 2270, 3028, 3632, 3785, 4540, 6056, 7264, 7570, 9080, 12112, 14528, 15140, 18160, 24224, 29056, 30280, 36320, 48448, 58112, 60560, 72640, 96896, 121120, 145280, 171839, 193792, 242240, 290560, 343678, 484480, 687356, 859195, 968960, 1374712, 1718390, 2749424, 3436780, 5498848, 6873560, 10997696, 13747120, 21995392, 27494240, 43990784, 54988480, 109976960, 219953920]

約数ペア:

[(1, 219953920), (2, 109976960), (4, 54988480), (5, 43990784), (8, 27494240), (10, 21995392), (16, 13747120), (20, 10997696), (32, 6873560), (40, 5498848), (64, 3436780), (80, 2749424), (128, 1718390), (160, 1374712), (227, 968960), (256, 859195), (320, 687356), (454, 484480), (640, 343678), (757, 290560), (908, 242240), (1135, 193792), (1280, 171839), (1514, 145280), (1816, 121120), (2270, 96896), (3028, 72640), (3632, 60560), (3785, 58112), (4540, 48448), (6056, 36320), (7264, 30280), (7570, 29056), (9080, 24224), (12112, 18160), (14528, 15140)]