420887496

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 1164533760

約数和(自身を除く): 743646264

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 102, 107, 124, 136, 186, 204, 214, 248, 311, 321, 372, 408, 428, 527, 622, 642, 744, 856, 933, 1054, 1244, 1284, 1581, 1819, 1866, 2108, 2488, 2568, 3162, 3317, 3638, 3732, 4216, 5287, 5457, 6324, 6634, 7276, 7464, 9641, 9951, 10574, 10914, 12648, 13268, 14552, 15861, 19282, 19902, 21148, 21828, 26536, 28923, 31722, 33277, 38564, 39804, 42296, 43656, 56389, 57846, 63444, 66554, 77128, 79608, 99831, 112778, 115692, 126888, 133108, 163897, 169167, 199662, 225556, 231384, 266216, 327794, 338334, 399324, 451112, 491691, 565709, 655588, 676668, 798648, 983382, 1031587, 1131418, 1311176, 1353336, 1697127, 1966764, 2063174, 2262836, 3094761, 3394254, 3933528, 4126348, 4525672, 6189522, 6788508, 8252696, 12379044, 13577016, 17536979, 24758088, 35073958, 52610937, 70147916, 105221874, 140295832, 210443748, 420887496]

約数ペア:

[(1, 420887496), (2, 210443748), (3, 140295832), (4, 105221874), (6, 70147916), (8, 52610937), (12, 35073958), (17, 24758088), (24, 17536979), (31, 13577016), (34, 12379044), (51, 8252696), (62, 6788508), (68, 6189522), (93, 4525672), (102, 4126348), (107, 3933528), (124, 3394254), (136, 3094761), (186, 2262836), (204, 2063174), (214, 1966764), (248, 1697127), (311, 1353336), (321, 1311176), (372, 1131418), (408, 1031587), (428, 983382), (527, 798648), (622, 676668), (642, 655588), (744, 565709), (856, 491691), (933, 451112), (1054, 399324), (1244, 338334), (1284, 327794), (1581, 266216), (1819, 231384), (1866, 225556), (2108, 199662), (2488, 169167), (2568, 163897), (3162, 133108), (3317, 126888), (3638, 115692), (3732, 112778), (4216, 99831), (5287, 79608), (5457, 77128), (6324, 66554), (6634, 63444), (7276, 57846), (7464, 56389), (9641, 43656), (9951, 42296), (10574, 39804), (10914, 38564), (12648, 33277), (13268, 31722), (14552, 28923), (15861, 26536), (19282, 21828), (19902, 21148)]