257948768

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 144

約数和(自身を含む): 660667392

約数和(自身を除く): 402718624

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 77, 88, 112, 121, 124, 154, 176, 217, 224, 242, 248, 307, 308, 341, 352, 434, 484, 496, 614, 616, 682, 847, 868, 968, 992, 1228, 1232, 1364, 1694, 1736, 1936, 2149, 2387, 2456, 2464, 2728, 3377, 3388, 3472, 3751, 3872, 4298, 4774, 4912, 5456, 6754, 6776, 6944, 7502, 8596, 9517, 9548, 9824, 10912, 13508, 13552, 15004, 17192, 19034, 19096, 23639, 26257, 27016, 27104, 30008, 34384, 37147, 38068, 38192, 47278, 52514, 54032, 60016, 66619, 68768, 74294, 76136, 76384, 94556, 104687, 105028, 108064, 120032, 133238, 148588, 152272, 189112, 209374, 210056, 260029, 266476, 297176, 304544, 378224, 418748, 420112, 520058, 532952, 594352, 732809, 756448, 837496, 840224, 1040116, 1065904, 1151557, 1188704, 1465618, 1674992, 2080232, 2131808, 2303114, 2931236, 3349984, 4160464, 4606228, 5862472, 8060899, 8320928, 9212456, 11724944, 16121798, 18424912, 23449888, 32243596, 36849824, 64487192, 128974384, 257948768]

約数ペア:

[(1, 257948768), (2, 128974384), (4, 64487192), (7, 36849824), (8, 32243596), (11, 23449888), (14, 18424912), (16, 16121798), (22, 11724944), (28, 9212456), (31, 8320928), (32, 8060899), (44, 5862472), (56, 4606228), (62, 4160464), (77, 3349984), (88, 2931236), (112, 2303114), (121, 2131808), (124, 2080232), (154, 1674992), (176, 1465618), (217, 1188704), (224, 1151557), (242, 1065904), (248, 1040116), (307, 840224), (308, 837496), (341, 756448), (352, 732809), (434, 594352), (484, 532952), (496, 520058), (614, 420112), (616, 418748), (682, 378224), (847, 304544), (868, 297176), (968, 266476), (992, 260029), (1228, 210056), (1232, 209374), (1364, 189112), (1694, 152272), (1736, 148588), (1936, 133238), (2149, 120032), (2387, 108064), (2456, 105028), (2464, 104687), (2728, 94556), (3377, 76384), (3388, 76136), (3472, 74294), (3751, 68768), (3872, 66619), (4298, 60016), (4774, 54032), (4912, 52514), (5456, 47278), (6754, 38192), (6776, 38068), (6944, 37147), (7502, 34384), (8596, 30008), (9517, 27104), (9548, 27016), (9824, 26257), (10912, 23639), (13508, 19096), (13552, 19034), (15004, 17192)]