249729920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1916

約数の個数: 128

約数和(自身を含む): 685929600

約数和(自身を除く): 436199680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 608, 640, 704, 760, 836, 880, 1045, 1216, 1408, 1520, 1672, 1760, 1867, 2090, 2432, 3040, 3344, 3520, 3734, 4180, 6080, 6688, 7040, 7468, 8360, 9335, 12160, 13376, 14936, 16720, 18670, 20537, 26752, 29872, 33440, 35473, 37340, 41074, 59744, 66880, 70946, 74680, 82148, 102685, 119488, 133760, 141892, 149360, 164296, 177365, 205370, 238976, 283784, 298720, 328592, 354730, 390203, 410740, 567568, 597440, 657184, 709460, 780406, 821480, 1135136, 1194880, 1314368, 1418920, 1560812, 1642960, 1951015, 2270272, 2628736, 2837840, 3121624, 3285920, 3902030, 4540544, 5675680, 6243248, 6571840, 7804060, 11351360, 12486496, 13143680, 15608120, 22702720, 24972992, 31216240, 49945984, 62432480, 124864960, 249729920]

約数ペア:

[(1, 249729920), (2, 124864960), (4, 62432480), (5, 49945984), (8, 31216240), (10, 24972992), (11, 22702720), (16, 15608120), (19, 13143680), (20, 12486496), (22, 11351360), (32, 7804060), (38, 6571840), (40, 6243248), (44, 5675680), (55, 4540544), (64, 3902030), (76, 3285920), (80, 3121624), (88, 2837840), (95, 2628736), (110, 2270272), (128, 1951015), (152, 1642960), (160, 1560812), (176, 1418920), (190, 1314368), (209, 1194880), (220, 1135136), (304, 821480), (320, 780406), (352, 709460), (380, 657184), (418, 597440), (440, 567568), (608, 410740), (640, 390203), (704, 354730), (760, 328592), (836, 298720), (880, 283784), (1045, 238976), (1216, 205370), (1408, 177365), (1520, 164296), (1672, 149360), (1760, 141892), (1867, 133760), (2090, 119488), (2432, 102685), (3040, 82148), (3344, 74680), (3520, 70946), (3734, 66880), (4180, 59744), (6080, 41074), (6688, 37340), (7040, 35473), (7468, 33440), (8360, 29872), (9335, 26752), (12160, 20537), (13376, 18670), (14936, 16720)]