205790910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 553512960

約数和(自身を除く): 347722050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 103, 109, 130, 141, 195, 206, 218, 235, 282, 309, 327, 390, 470, 515, 545, 611, 618, 654, 705, 1030, 1090, 1222, 1339, 1410, 1417, 1545, 1635, 1833, 2678, 2834, 3055, 3090, 3270, 3666, 4017, 4251, 4841, 5123, 6110, 6695, 7085, 8034, 8502, 9165, 9682, 10246, 11227, 13390, 14170, 14523, 15369, 18330, 20085, 21255, 22454, 24205, 25615, 29046, 30738, 33681, 40170, 42510, 48410, 51230, 56135, 62933, 66599, 67362, 72615, 76845, 112270, 125866, 133198, 145230, 145951, 153690, 168405, 188799, 199797, 291902, 314665, 332995, 336810, 377598, 399594, 437853, 527669, 629330, 665990, 729755, 875706, 943995, 998985, 1055338, 1459510, 1583007, 1887990, 1997970, 2189265, 2638345, 3166014, 4378530, 5276690, 6859697, 7915035, 13719394, 15830070, 20579091, 34298485, 41158182, 68596970, 102895455, 205790910]

約数ペア:

[(1, 205790910), (2, 102895455), (3, 68596970), (5, 41158182), (6, 34298485), (10, 20579091), (13, 15830070), (15, 13719394), (26, 7915035), (30, 6859697), (39, 5276690), (47, 4378530), (65, 3166014), (78, 2638345), (94, 2189265), (103, 1997970), (109, 1887990), (130, 1583007), (141, 1459510), (195, 1055338), (206, 998985), (218, 943995), (235, 875706), (282, 729755), (309, 665990), (327, 629330), (390, 527669), (470, 437853), (515, 399594), (545, 377598), (611, 336810), (618, 332995), (654, 314665), (705, 291902), (1030, 199797), (1090, 188799), (1222, 168405), (1339, 153690), (1410, 145951), (1417, 145230), (1545, 133198), (1635, 125866), (1833, 112270), (2678, 76845), (2834, 72615), (3055, 67362), (3090, 66599), (3270, 62933), (3666, 56135), (4017, 51230), (4251, 48410), (4841, 42510), (5123, 40170), (6110, 33681), (6695, 30738), (7085, 29046), (8034, 25615), (8502, 24205), (9165, 22454), (9682, 21255), (10246, 20085), (11227, 18330), (13390, 15369), (14170, 14523)]