217211540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5189}}^1$

素因数の和:5241

約数の個数: 96

約数和(自身を含む): 585930240

約数和(自身を除く): 368718700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 598, 644, 805, 910, 1196, 1495, 1610, 1820, 2093, 2990, 3220, 4186, 5189, 5980, 8372, 10378, 10465, 20756, 20930, 25945, 36323, 41860, 51890, 67457, 72646, 103780, 119347, 134914, 145292, 181615, 238694, 269828, 337285, 363230, 472199, 477388, 596735, 674570, 726460, 835429, 944398, 1193470, 1349140, 1551511, 1670858, 1888796, 2360995, 2386940, 3103022, 3341716, 4177145, 4721990, 6206044, 7757555, 8354290, 9443980, 10860577, 15515110, 16708580, 21721154, 31030220, 43442308, 54302885, 108605770, 217211540]

約数ペア:

[(1, 217211540), (2, 108605770), (4, 54302885), (5, 43442308), (7, 31030220), (10, 21721154), (13, 16708580), (14, 15515110), (20, 10860577), (23, 9443980), (26, 8354290), (28, 7757555), (35, 6206044), (46, 4721990), (52, 4177145), (65, 3341716), (70, 3103022), (91, 2386940), (92, 2360995), (115, 1888796), (130, 1670858), (140, 1551511), (161, 1349140), (182, 1193470), (230, 944398), (260, 835429), (299, 726460), (322, 674570), (364, 596735), (455, 477388), (460, 472199), (598, 363230), (644, 337285), (805, 269828), (910, 238694), (1196, 181615), (1495, 145292), (1610, 134914), (1820, 119347), (2093, 103780), (2990, 72646), (3220, 67457), (4186, 51890), (5189, 41860), (5980, 36323), (8372, 25945), (10378, 20930), (10465, 20756)]