2019907955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 3135283200

約数和(自身を除く): 1115375245

約数列:

[1, 5, 13, 17, 19, 23, 47, 65, 85, 89, 95, 115, 221, 235, 247, 299, 323, 391, 437, 445, 611, 799, 893, 1081, 1105, 1157, 1235, 1495, 1513, 1615, 1691, 1955, 2047, 2185, 3055, 3995, 4183, 4199, 4465, 5083, 5405, 5681, 5785, 7429, 7565, 8455, 10235, 10387, 11609, 14053, 15181, 18377, 19669, 20539, 20915, 20995, 21983, 25415, 26611, 28405, 28747, 34799, 37145, 38893, 51935, 54379, 58045, 70265, 71111, 75905, 79477, 91885, 96209, 96577, 98345, 102695, 109915, 133055, 143735, 173995, 194465, 197353, 238901, 267007, 271895, 349163, 355555, 373711, 397385, 452387, 481045, 482885, 505609, 661181, 924443, 986765, 1033201, 1194505, 1250717, 1335035, 1351109, 1635553, 1745815, 1827971, 1868555, 2261935, 2528045, 3305905, 4539119, 4622215, 5166005, 6253585, 6755545, 8177765, 8595353, 9139855, 17564417, 21262189, 22695595, 23763623, 31075507, 42976765, 87822085, 106310945, 118818115, 155377535, 403981591, 2019907955]

約数ペア:

[(1, 2019907955), (5, 403981591), (13, 155377535), (17, 118818115), (19, 106310945), (23, 87822085), (47, 42976765), (65, 31075507), (85, 23763623), (89, 22695595), (95, 21262189), (115, 17564417), (221, 9139855), (235, 8595353), (247, 8177765), (299, 6755545), (323, 6253585), (391, 5166005), (437, 4622215), (445, 4539119), (611, 3305905), (799, 2528045), (893, 2261935), (1081, 1868555), (1105, 1827971), (1157, 1745815), (1235, 1635553), (1495, 1351109), (1513, 1335035), (1615, 1250717), (1691, 1194505), (1955, 1033201), (2047, 986765), (2185, 924443), (3055, 661181), (3995, 505609), (4183, 482885), (4199, 481045), (4465, 452387), (5083, 397385), (5405, 373711), (5681, 355555), (5785, 349163), (7429, 271895), (7565, 267007), (8455, 238901), (10235, 197353), (10387, 194465), (11609, 173995), (14053, 143735), (15181, 133055), (18377, 109915), (19669, 102695), (20539, 98345), (20915, 96577), (20995, 96209), (21983, 91885), (25415, 79477), (26611, 75905), (28405, 71111), (28747, 70265), (34799, 58045), (37145, 54379), (38893, 51935)]