220898488

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 440082720

約数和(自身を除く): 219184232

約数列:

[1, 2, 4, 8, 41, 53, 82, 97, 106, 131, 164, 194, 212, 262, 328, 388, 424, 524, 776, 1048, 2173, 3977, 4346, 5141, 5371, 6943, 7954, 8692, 10282, 10742, 12707, 13886, 15908, 17384, 20564, 21484, 25414, 27772, 31816, 41128, 42968, 50828, 55544, 101656, 210781, 284663, 421562, 520987, 569326, 673471, 843124, 1041974, 1138652, 1346942, 1686248, 2083948, 2277304, 2693884, 4167896, 5387768, 27612311, 55224622, 110449244, 220898488]

約数ペア:

[(1, 220898488), (2, 110449244), (4, 55224622), (8, 27612311), (41, 5387768), (53, 4167896), (82, 2693884), (97, 2277304), (106, 2083948), (131, 1686248), (164, 1346942), (194, 1138652), (212, 1041974), (262, 843124), (328, 673471), (388, 569326), (424, 520987), (524, 421562), (776, 284663), (1048, 210781), (2173, 101656), (3977, 55544), (4346, 50828), (5141, 42968), (5371, 41128), (6943, 31816), (7954, 27772), (8692, 25414), (10282, 21484), (10742, 20564), (12707, 17384), (13886, 15908)]