391553820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1627}}^1$

素因数の和:1840

約数の個数: 144

約数和(自身を含む): 1365331968

約数和(自身を除く): 973778148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 191, 210, 252, 315, 382, 420, 573, 630, 764, 955, 1146, 1260, 1337, 1627, 1719, 1910, 2292, 2674, 2865, 3254, 3438, 3820, 4011, 4881, 5348, 5730, 6508, 6685, 6876, 8022, 8135, 8595, 9762, 11389, 11460, 12033, 13370, 14643, 16044, 16270, 17190, 19524, 20055, 22778, 24066, 24405, 26740, 29286, 32540, 34167, 34380, 40110, 45556, 48132, 48810, 56945, 58572, 60165, 68334, 73215, 80220, 97620, 102501, 113890, 120330, 136668, 146430, 170835, 205002, 227780, 240660, 292860, 310757, 341670, 410004, 512505, 621514, 683340, 932271, 1025010, 1243028, 1553785, 1864542, 2050020, 2175299, 2796813, 3107570, 3729084, 4350598, 4661355, 5593626, 6215140, 6525897, 8701196, 9322710, 10876495, 11187252, 13051794, 13984065, 18645420, 19577691, 21752990, 26103588, 27968130, 32629485, 39155382, 43505980, 55936260, 65258970, 78310764, 97888455, 130517940, 195776910, 391553820]

約数ペア:

[(1, 391553820), (2, 195776910), (3, 130517940), (4, 97888455), (5, 78310764), (6, 65258970), (7, 55936260), (9, 43505980), (10, 39155382), (12, 32629485), (14, 27968130), (15, 26103588), (18, 21752990), (20, 19577691), (21, 18645420), (28, 13984065), (30, 13051794), (35, 11187252), (36, 10876495), (42, 9322710), (45, 8701196), (60, 6525897), (63, 6215140), (70, 5593626), (84, 4661355), (90, 4350598), (105, 3729084), (126, 3107570), (140, 2796813), (180, 2175299), (191, 2050020), (210, 1864542), (252, 1553785), (315, 1243028), (382, 1025010), (420, 932271), (573, 683340), (630, 621514), (764, 512505), (955, 410004), (1146, 341670), (1260, 310757), (1337, 292860), (1627, 240660), (1719, 227780), (1910, 205002), (2292, 170835), (2674, 146430), (2865, 136668), (3254, 120330), (3438, 113890), (3820, 102501), (4011, 97620), (4881, 80220), (5348, 73215), (5730, 68334), (6508, 60165), (6685, 58572), (6876, 56945), (8022, 48810), (8135, 48132), (8595, 45556), (9762, 40110), (11389, 34380), (11460, 34167), (12033, 32540), (13370, 29286), (14643, 26740), (16044, 24405), (16270, 24066), (17190, 22778), (19524, 20055)]