420965900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13033}}^1$

素因数の和:13083

約数の個数: 72

約数和(自身を含む): 1018216080

約数和(自身を除く): 597250180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 850, 950, 1292, 1615, 1700, 1900, 3230, 6460, 8075, 13033, 16150, 26066, 32300, 52132, 65165, 130330, 221561, 247627, 260660, 325825, 443122, 495254, 651650, 886244, 990508, 1107805, 1238135, 1303300, 2215610, 2476270, 4209659, 4431220, 4952540, 5539025, 6190675, 8419318, 11078050, 12381350, 16838636, 21048295, 22156100, 24762700, 42096590, 84193180, 105241475, 210482950, 420965900]

約数ペア:

[(1, 420965900), (2, 210482950), (4, 105241475), (5, 84193180), (10, 42096590), (17, 24762700), (19, 22156100), (20, 21048295), (25, 16838636), (34, 12381350), (38, 11078050), (50, 8419318), (68, 6190675), (76, 5539025), (85, 4952540), (95, 4431220), (100, 4209659), (170, 2476270), (190, 2215610), (323, 1303300), (340, 1238135), (380, 1107805), (425, 990508), (475, 886244), (646, 651650), (850, 495254), (950, 443122), (1292, 325825), (1615, 260660), (1700, 247627), (1900, 221561), (3230, 130330), (6460, 65165), (8075, 52132), (13033, 32300), (16150, 26066)]