220552228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 454030080

約数和(自身を除く): 233477852

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 361, 379, 403, 494, 589, 722, 758, 806, 988, 1178, 1444, 1516, 1612, 2356, 4693, 4927, 7201, 7657, 9386, 9854, 11191, 11749, 14402, 15314, 18772, 19708, 22382, 23498, 28804, 30628, 44764, 46996, 93613, 136819, 145483, 152737, 187226, 223231, 273638, 290966, 305474, 374452, 446462, 547276, 581932, 610948, 892924, 1778647, 2902003, 3557294, 4241389, 5804006, 7114588, 8482778, 11608012, 16965556, 55138057, 110276114, 220552228]

約数ペア:

[(1, 220552228), (2, 110276114), (4, 55138057), (13, 16965556), (19, 11608012), (26, 8482778), (31, 7114588), (38, 5804006), (52, 4241389), (62, 3557294), (76, 2902003), (124, 1778647), (247, 892924), (361, 610948), (379, 581932), (403, 547276), (494, 446462), (589, 374452), (722, 305474), (758, 290966), (806, 273638), (988, 223231), (1178, 187226), (1444, 152737), (1516, 145483), (1612, 136819), (2356, 93613), (4693, 46996), (4927, 44764), (7201, 30628), (7657, 28804), (9386, 23498), (9854, 22382), (11191, 19708), (11749, 18772), (14402, 15314)]