28883960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2399}}^1$

素因数の和:2460

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 47148040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2399, 2408, 3010, 4798, 6020, 9596, 11995, 12040, 16793, 19192, 23990, 33586, 47980, 67172, 83965, 95960, 103157, 134344, 167930, 206314, 335860, 412628, 515785, 671720, 722099, 825256, 1031570, 1444198, 2063140, 2888396, 3610495, 4126280, 5776792, 7220990, 14441980, 28883960]

約数ペア:

[(1, 28883960), (2, 14441980), (4, 7220990), (5, 5776792), (7, 4126280), (8, 3610495), (10, 2888396), (14, 2063140), (20, 1444198), (28, 1031570), (35, 825256), (40, 722099), (43, 671720), (56, 515785), (70, 412628), (86, 335860), (140, 206314), (172, 167930), (215, 134344), (280, 103157), (301, 95960), (344, 83965), (430, 67172), (602, 47980), (860, 33586), (1204, 23990), (1505, 19192), (1720, 16793), (2399, 12040), (2408, 11995), (3010, 9596), (4798, 6020)]