2028111512

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 4653158400

約数和(自身を除く): 2625046888

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 101, 124, 172, 202, 217, 248, 269, 301, 344, 404, 434, 538, 602, 707, 808, 868, 1076, 1204, 1333, 1414, 1736, 1883, 2152, 2408, 2666, 2828, 3131, 3766, 4343, 5332, 5656, 6262, 7532, 8339, 8686, 9331, 10664, 11567, 12524, 15064, 16678, 17372, 18662, 21917, 23134, 25048, 27169, 30401, 33356, 34744, 37324, 43834, 46268, 54338, 58373, 60802, 66712, 74648, 80969, 87668, 92536, 108676, 116746, 121604, 134633, 161938, 175336, 190183, 217352, 233492, 243208, 269266, 323876, 358577, 380366, 466984, 538532, 647752, 717154, 760732, 842239, 942431, 1077064, 1168267, 1434308, 1521464, 1684478, 1884862, 2336534, 2510039, 2868616, 3368956, 3769724, 4673068, 5020078, 5895673, 6737912, 7539448, 8177869, 9346136, 10040156, 11791346, 16355738, 20080312, 23582692, 32711476, 36216277, 47165384, 65422952, 72432554, 144865108, 253513939, 289730216, 507027878, 1014055756, 2028111512]

約数ペア:

[(1, 2028111512), (2, 1014055756), (4, 507027878), (7, 289730216), (8, 253513939), (14, 144865108), (28, 72432554), (31, 65422952), (43, 47165384), (56, 36216277), (62, 32711476), (86, 23582692), (101, 20080312), (124, 16355738), (172, 11791346), (202, 10040156), (217, 9346136), (248, 8177869), (269, 7539448), (301, 6737912), (344, 5895673), (404, 5020078), (434, 4673068), (538, 3769724), (602, 3368956), (707, 2868616), (808, 2510039), (868, 2336534), (1076, 1884862), (1204, 1684478), (1333, 1521464), (1414, 1434308), (1736, 1168267), (1883, 1077064), (2152, 942431), (2408, 842239), (2666, 760732), (2828, 717154), (3131, 647752), (3766, 538532), (4343, 466984), (5332, 380366), (5656, 358577), (6262, 323876), (7532, 269266), (8339, 243208), (8686, 233492), (9331, 217352), (10664, 190183), (11567, 175336), (12524, 161938), (15064, 134633), (16678, 121604), (17372, 116746), (18662, 108676), (21917, 92536), (23134, 87668), (25048, 80969), (27169, 74648), (30401, 66712), (33356, 60802), (34744, 58373), (37324, 54338), (43834, 46268)]