2780348564945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{389957}}^1$

素因数の和:390530

約数の個数: 64

約数和(自身を含む): 4220980263936

約数和(自身を除く): 1440631698991

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 521, 595, 805, 1955, 2605, 2737, 3647, 8857, 11983, 13685, 18235, 44285, 59915, 61999, 83881, 203711, 309995, 389957, 419405, 1018555, 1425977, 1949785, 2729699, 6629269, 7129885, 8969011, 13648495, 33146345, 44845055, 46404883, 62783077, 152473187, 203167597, 232024415, 313915385, 762365935, 1015837985, 1067312309, 1422173179, 3453849149, 4672854731, 5336561545, 7110865895, 17269245745, 23364273655, 24176944043, 32709983117, 79438530427, 120884720215, 163549915585, 397192652135, 556069712989, 2780348564945]

約数ペア:

[(1, 2780348564945), (5, 556069712989), (7, 397192652135), (17, 163549915585), (23, 120884720215), (35, 79438530427), (85, 32709983117), (115, 24176944043), (119, 23364273655), (161, 17269245745), (391, 7110865895), (521, 5336561545), (595, 4672854731), (805, 3453849149), (1955, 1422173179), (2605, 1067312309), (2737, 1015837985), (3647, 762365935), (8857, 313915385), (11983, 232024415), (13685, 203167597), (18235, 152473187), (44285, 62783077), (59915, 46404883), (61999, 44845055), (83881, 33146345), (203711, 13648495), (309995, 8969011), (389957, 7129885), (419405, 6629269), (1018555, 2729699), (1425977, 1949785)]