505131720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{221549}}^1$

素因数の和:221582

約数の個数: 64

約数和(自身を含む): 1595160000

約数和(自身を除く): 1090028280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 221549, 443098, 664647, 886196, 1107745, 1329294, 1772392, 2215490, 2658588, 3323235, 4209431, 4430980, 5317176, 6646470, 8418862, 8861960, 12628293, 13292940, 16837724, 21047155, 25256586, 26585880, 33675448, 42094310, 50513172, 63141465, 84188620, 101026344, 126282930, 168377240, 252565860, 505131720]

約数ペア:

[(1, 505131720), (2, 252565860), (3, 168377240), (4, 126282930), (5, 101026344), (6, 84188620), (8, 63141465), (10, 50513172), (12, 42094310), (15, 33675448), (19, 26585880), (20, 25256586), (24, 21047155), (30, 16837724), (38, 13292940), (40, 12628293), (57, 8861960), (60, 8418862), (76, 6646470), (95, 5317176), (114, 4430980), (120, 4209431), (152, 3323235), (190, 2658588), (228, 2215490), (285, 1772392), (380, 1329294), (456, 1107745), (570, 886196), (760, 664647), (1140, 443098), (2280, 221549)]