209821140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:582

約数の個数: 144

約数和(自身を含む): 679311360

約数和(自身を除く): 469490220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 191, 204, 255, 306, 340, 359, 382, 510, 573, 612, 718, 764, 765, 955, 1020, 1077, 1146, 1436, 1530, 1719, 1795, 1910, 2154, 2292, 2865, 3060, 3231, 3247, 3438, 3590, 3820, 4308, 5385, 5730, 6103, 6462, 6494, 6876, 7180, 8595, 9741, 10770, 11460, 12206, 12924, 12988, 16155, 16235, 17190, 18309, 19482, 21540, 24412, 29223, 30515, 32310, 32470, 34380, 36618, 38964, 48705, 54927, 58446, 61030, 64620, 64940, 68569, 73236, 91545, 97410, 109854, 116892, 122060, 137138, 146115, 183090, 194820, 205707, 219708, 274276, 274635, 292230, 342845, 366180, 411414, 549270, 584460, 617121, 685690, 822828, 1028535, 1098540, 1165673, 1234242, 1371380, 2057070, 2331346, 2468484, 3085605, 3497019, 4114140, 4662692, 5828365, 6171210, 6994038, 10491057, 11656730, 12342420, 13988076, 17485095, 20982114, 23313460, 34970190, 41964228, 52455285, 69940380, 104910570, 209821140]

約数ペア:

[(1, 209821140), (2, 104910570), (3, 69940380), (4, 52455285), (5, 41964228), (6, 34970190), (9, 23313460), (10, 20982114), (12, 17485095), (15, 13988076), (17, 12342420), (18, 11656730), (20, 10491057), (30, 6994038), (34, 6171210), (36, 5828365), (45, 4662692), (51, 4114140), (60, 3497019), (68, 3085605), (85, 2468484), (90, 2331346), (102, 2057070), (153, 1371380), (170, 1234242), (180, 1165673), (191, 1098540), (204, 1028535), (255, 822828), (306, 685690), (340, 617121), (359, 584460), (382, 549270), (510, 411414), (573, 366180), (612, 342845), (718, 292230), (764, 274635), (765, 274276), (955, 219708), (1020, 205707), (1077, 194820), (1146, 183090), (1436, 146115), (1530, 137138), (1719, 122060), (1795, 116892), (1910, 109854), (2154, 97410), (2292, 91545), (2865, 73236), (3060, 68569), (3231, 64940), (3247, 64620), (3438, 61030), (3590, 58446), (3820, 54927), (4308, 48705), (5385, 38964), (5730, 36618), (6103, 34380), (6462, 32470), (6494, 32310), (6876, 30515), (7180, 29223), (8595, 24412), (9741, 21540), (10770, 19482), (11460, 18309), (12206, 17190), (12924, 16235), (12988, 16155)]