222274780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 595244160

約数和(自身を除く): 372969380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 73, 91, 98, 130, 140, 146, 182, 196, 239, 245, 260, 292, 364, 365, 455, 478, 490, 511, 637, 730, 910, 949, 956, 980, 1022, 1195, 1274, 1460, 1673, 1820, 1898, 2044, 2390, 2548, 2555, 3107, 3185, 3346, 3577, 3796, 4745, 4780, 5110, 6214, 6370, 6643, 6692, 7154, 8365, 9490, 10220, 11711, 12428, 12740, 13286, 14308, 15535, 16730, 17447, 17885, 18980, 21749, 23422, 26572, 31070, 33215, 33460, 34894, 35770, 43498, 46501, 46844, 58555, 62140, 66430, 69788, 71540, 86996, 87235, 93002, 108745, 117110, 122129, 132860, 152243, 174470, 186004, 217490, 226811, 232505, 234220, 244258, 304486, 348940, 434980, 453622, 465010, 488516, 608972, 610645, 761215, 854903, 907244, 930020, 1134055, 1221290, 1522430, 1587677, 1709806, 2268110, 2442580, 3044860, 3175354, 3419612, 4274515, 4536220, 6350708, 7938385, 8549030, 11113739, 15876770, 17098060, 22227478, 31753540, 44454956, 55568695, 111137390, 222274780]

約数ペア:

[(1, 222274780), (2, 111137390), (4, 55568695), (5, 44454956), (7, 31753540), (10, 22227478), (13, 17098060), (14, 15876770), (20, 11113739), (26, 8549030), (28, 7938385), (35, 6350708), (49, 4536220), (52, 4274515), (65, 3419612), (70, 3175354), (73, 3044860), (91, 2442580), (98, 2268110), (130, 1709806), (140, 1587677), (146, 1522430), (182, 1221290), (196, 1134055), (239, 930020), (245, 907244), (260, 854903), (292, 761215), (364, 610645), (365, 608972), (455, 488516), (478, 465010), (490, 453622), (511, 434980), (637, 348940), (730, 304486), (910, 244258), (949, 234220), (956, 232505), (980, 226811), (1022, 217490), (1195, 186004), (1274, 174470), (1460, 152243), (1673, 132860), (1820, 122129), (1898, 117110), (2044, 108745), (2390, 93002), (2548, 87235), (2555, 86996), (3107, 71540), (3185, 69788), (3346, 66430), (3577, 62140), (3796, 58555), (4745, 46844), (4780, 46501), (5110, 43498), (6214, 35770), (6370, 34894), (6643, 33460), (6692, 33215), (7154, 31070), (8365, 26572), (9490, 23422), (10220, 21749), (11711, 18980), (12428, 17885), (12740, 17447), (13286, 16730), (14308, 15535)]