28263900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 95938304

約数和(自身を除く): 67674404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 43, 50, 60, 70, 75, 84, 86, 100, 105, 129, 140, 150, 172, 175, 210, 215, 258, 300, 301, 313, 350, 420, 430, 516, 525, 602, 626, 645, 700, 860, 903, 939, 1050, 1075, 1204, 1252, 1290, 1505, 1565, 1806, 1878, 2100, 2150, 2191, 2580, 3010, 3130, 3225, 3612, 3756, 4300, 4382, 4515, 4695, 6020, 6260, 6450, 6573, 7525, 7825, 8764, 9030, 9390, 10955, 12900, 13146, 13459, 15050, 15650, 18060, 18780, 21910, 22575, 23475, 26292, 26918, 30100, 31300, 32865, 40377, 43820, 45150, 46950, 53836, 54775, 65730, 67295, 80754, 90300, 93900, 94213, 109550, 131460, 134590, 161508, 164325, 188426, 201885, 219100, 269180, 282639, 328650, 336475, 376852, 403770, 471065, 565278, 657300, 672950, 807540, 942130, 1009425, 1130556, 1345900, 1413195, 1884260, 2018850, 2355325, 2826390, 4037700, 4710650, 5652780, 7065975, 9421300, 14131950, 28263900]

約数ペア:

[(1, 28263900), (2, 14131950), (3, 9421300), (4, 7065975), (5, 5652780), (6, 4710650), (7, 4037700), (10, 2826390), (12, 2355325), (14, 2018850), (15, 1884260), (20, 1413195), (21, 1345900), (25, 1130556), (28, 1009425), (30, 942130), (35, 807540), (42, 672950), (43, 657300), (50, 565278), (60, 471065), (70, 403770), (75, 376852), (84, 336475), (86, 328650), (100, 282639), (105, 269180), (129, 219100), (140, 201885), (150, 188426), (172, 164325), (175, 161508), (210, 134590), (215, 131460), (258, 109550), (300, 94213), (301, 93900), (313, 90300), (350, 80754), (420, 67295), (430, 65730), (516, 54775), (525, 53836), (602, 46950), (626, 45150), (645, 43820), (700, 40377), (860, 32865), (903, 31300), (939, 30100), (1050, 26918), (1075, 26292), (1204, 23475), (1252, 22575), (1290, 21910), (1505, 18780), (1565, 18060), (1806, 15650), (1878, 15050), (2100, 13459), (2150, 13146), (2191, 12900), (2580, 10955), (3010, 9390), (3130, 9030), (3225, 8764), (3612, 7825), (3756, 7525), (4300, 6573), (4382, 6450), (4515, 6260), (4695, 6020)]