205745980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 486984960

約数和(自身を除く): 281238980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 121, 131, 220, 236, 242, 262, 295, 484, 524, 590, 605, 649, 655, 1180, 1210, 1298, 1310, 1331, 1441, 2420, 2596, 2620, 2662, 2882, 3245, 5324, 5764, 6490, 6655, 7139, 7205, 7729, 12980, 13310, 14278, 14410, 15458, 15851, 26620, 28556, 28820, 30916, 31702, 35695, 38645, 63404, 71390, 77290, 78529, 79255, 85019, 142780, 154580, 157058, 158510, 170038, 174361, 314116, 317020, 340076, 348722, 392645, 425095, 697444, 785290, 850190, 871805, 935209, 1570580, 1700380, 1743610, 1870418, 3487220, 3740836, 4676045, 9352090, 10287299, 18704180, 20574598, 41149196, 51436495, 102872990, 205745980]

約数ペア:

[(1, 205745980), (2, 102872990), (4, 51436495), (5, 41149196), (10, 20574598), (11, 18704180), (20, 10287299), (22, 9352090), (44, 4676045), (55, 3740836), (59, 3487220), (110, 1870418), (118, 1743610), (121, 1700380), (131, 1570580), (220, 935209), (236, 871805), (242, 850190), (262, 785290), (295, 697444), (484, 425095), (524, 392645), (590, 348722), (605, 340076), (649, 317020), (655, 314116), (1180, 174361), (1210, 170038), (1298, 158510), (1310, 157058), (1331, 154580), (1441, 142780), (2420, 85019), (2596, 79255), (2620, 78529), (2662, 77290), (2882, 71390), (3245, 63404), (5324, 38645), (5764, 35695), (6490, 31702), (6655, 30916), (7139, 28820), (7205, 28556), (7729, 26620), (12980, 15851), (13310, 15458), (14278, 14410)]