28027850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 55517280

約数和(自身を除く): 27489430

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 163, 181, 190, 326, 362, 475, 815, 905, 950, 1630, 1810, 3097, 3439, 4075, 4525, 6194, 6878, 8150, 9050, 15485, 17195, 29503, 30970, 34390, 59006, 77425, 85975, 147515, 154850, 171950, 295030, 560557, 737575, 1121114, 1475150, 2802785, 5605570, 14013925, 28027850]

約数ペア:

[(1, 28027850), (2, 14013925), (5, 5605570), (10, 2802785), (19, 1475150), (25, 1121114), (38, 737575), (50, 560557), (95, 295030), (163, 171950), (181, 154850), (190, 147515), (326, 85975), (362, 77425), (475, 59006), (815, 34390), (905, 30970), (950, 29503), (1630, 17195), (1810, 15485), (3097, 9050), (3439, 8150), (4075, 6878), (4525, 6194)]