56840490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{12889}}^1$

素因数の和:12916

約数の個数: 72

約数和(自身を含む): 171926820

約数和(自身を除く): 115086330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 12889, 25778, 38667, 64445, 77334, 90223, 116001, 128890, 180446, 193335, 232002, 270669, 386670, 451115, 541338, 580005, 631561, 812007, 902230, 1160010, 1263122, 1353345, 1624014, 1894683, 2706690, 3157805, 3789366, 4060035, 5684049, 6315610, 8120070, 9473415, 11368098, 18946830, 28420245, 56840490]

約数ペア:

[(1, 56840490), (2, 28420245), (3, 18946830), (5, 11368098), (6, 9473415), (7, 8120070), (9, 6315610), (10, 5684049), (14, 4060035), (15, 3789366), (18, 3157805), (21, 2706690), (30, 1894683), (35, 1624014), (42, 1353345), (45, 1263122), (49, 1160010), (63, 902230), (70, 812007), (90, 631561), (98, 580005), (105, 541338), (126, 451115), (147, 386670), (210, 270669), (245, 232002), (294, 193335), (315, 180446), (441, 128890), (490, 116001), (630, 90223), (735, 77334), (882, 64445), (1470, 38667), (2205, 25778), (4410, 12889)]