220022128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:726

約数の個数: 80

約数和(自身を含む): 476477440

約数和(自身を除く): 256455312

約数列:

[1, 2, 4, 8, 16, 19, 31, 37, 38, 62, 74, 76, 124, 148, 152, 248, 296, 304, 496, 589, 592, 631, 703, 1147, 1178, 1262, 1406, 2294, 2356, 2524, 2812, 4588, 4712, 5048, 5624, 9176, 9424, 10096, 11248, 11989, 18352, 19561, 21793, 23347, 23978, 39122, 43586, 46694, 47956, 78244, 87172, 93388, 95912, 156488, 174344, 186776, 191824, 312976, 348688, 371659, 373552, 443593, 723757, 743318, 887186, 1447514, 1486636, 1774372, 2895028, 2973272, 3548744, 5790056, 5946544, 7097488, 11580112, 13751383, 27502766, 55005532, 110011064, 220022128]

約数ペア:

[(1, 220022128), (2, 110011064), (4, 55005532), (8, 27502766), (16, 13751383), (19, 11580112), (31, 7097488), (37, 5946544), (38, 5790056), (62, 3548744), (74, 2973272), (76, 2895028), (124, 1774372), (148, 1486636), (152, 1447514), (248, 887186), (296, 743318), (304, 723757), (496, 443593), (589, 373552), (592, 371659), (631, 348688), (703, 312976), (1147, 191824), (1178, 186776), (1262, 174344), (1406, 156488), (2294, 95912), (2356, 93388), (2524, 87172), (2812, 78244), (4588, 47956), (4712, 46694), (5048, 43586), (5624, 39122), (9176, 23978), (9424, 23347), (10096, 21793), (11248, 19561), (11989, 18352)]