220364812

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 440115200

約数和(自身を除く): 219750388

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 79, 127, 158, 254, 289, 316, 323, 508, 578, 646, 1156, 1292, 1343, 1501, 2159, 2413, 2686, 3002, 4318, 4826, 5372, 5491, 6004, 8636, 9652, 10033, 10982, 20066, 21964, 22831, 25517, 36703, 40132, 41021, 45662, 51034, 73406, 82042, 91324, 102068, 146812, 164084, 170561, 190627, 341122, 381254, 433789, 682244, 697357, 762508, 867578, 1394714, 1735156, 2789428, 2899537, 3240659, 5799074, 6481318, 11598148, 12962636, 55091203, 110182406, 220364812]

約数ペア:

[(1, 220364812), (2, 110182406), (4, 55091203), (17, 12962636), (19, 11598148), (34, 6481318), (38, 5799074), (68, 3240659), (76, 2899537), (79, 2789428), (127, 1735156), (158, 1394714), (254, 867578), (289, 762508), (316, 697357), (323, 682244), (508, 433789), (578, 381254), (646, 341122), (1156, 190627), (1292, 170561), (1343, 164084), (1501, 146812), (2159, 102068), (2413, 91324), (2686, 82042), (3002, 73406), (4318, 51034), (4826, 45662), (5372, 41021), (5491, 40132), (6004, 36703), (8636, 25517), (9652, 22831), (10033, 21964), (10982, 20066)]