54984100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 128707040

約数和(自身を除く): 73722940

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 673, 817, 860, 950, 1075, 1346, 1634, 1900, 2150, 2692, 3268, 3365, 4085, 4300, 6730, 8170, 12787, 13460, 16340, 16825, 20425, 25574, 28939, 33650, 40850, 51148, 57878, 63935, 67300, 81700, 115756, 127870, 144695, 255740, 289390, 319675, 549841, 578780, 639350, 723475, 1099682, 1278700, 1446950, 2199364, 2749205, 2893900, 5498410, 10996820, 13746025, 27492050, 54984100]

約数ペア:

[(1, 54984100), (2, 27492050), (4, 13746025), (5, 10996820), (10, 5498410), (19, 2893900), (20, 2749205), (25, 2199364), (38, 1446950), (43, 1278700), (50, 1099682), (76, 723475), (86, 639350), (95, 578780), (100, 549841), (172, 319675), (190, 289390), (215, 255740), (380, 144695), (430, 127870), (475, 115756), (673, 81700), (817, 67300), (860, 63935), (950, 57878), (1075, 51148), (1346, 40850), (1634, 33650), (1900, 28939), (2150, 25574), (2692, 20425), (3268, 16825), (3365, 16340), (4085, 13460), (4300, 12787), (6730, 8170)]