204080999980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{183437}}^1$

素因数の和:183859

約数の個数: 96

約数和(自身を含む): 504792025920

約数和(自身を除く): 300711025940

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 389, 572, 715, 778, 1430, 1556, 1945, 2860, 3890, 4279, 5057, 7780, 8558, 10114, 17116, 20228, 21395, 25285, 42790, 50570, 55627, 85580, 101140, 111254, 183437, 222508, 278135, 366874, 556270, 733748, 917185, 1112540, 1834370, 2017807, 2384681, 3668740, 4035614, 4769362, 8071228, 9538724, 10089035, 11923405, 20178070, 23846810, 26231491, 40356140, 47693620, 52462982, 71356993, 104925964, 131157455, 142713986, 262314910, 285427972, 356784965, 524629820, 713569930, 784926923, 927640909, 1427139860, 1569853846, 1855281818, 3139707692, 3710563636, 3924634615, 4638204545, 7849269230, 9276409090, 10204049999, 15698538460, 18552818180, 20408099998, 40816199996, 51020249995, 102040499990, 204080999980]

約数ペア:

[(1, 204080999980), (2, 102040499990), (4, 51020249995), (5, 40816199996), (10, 20408099998), (11, 18552818180), (13, 15698538460), (20, 10204049999), (22, 9276409090), (26, 7849269230), (44, 4638204545), (52, 3924634615), (55, 3710563636), (65, 3139707692), (110, 1855281818), (130, 1569853846), (143, 1427139860), (220, 927640909), (260, 784926923), (286, 713569930), (389, 524629820), (572, 356784965), (715, 285427972), (778, 262314910), (1430, 142713986), (1556, 131157455), (1945, 104925964), (2860, 71356993), (3890, 52462982), (4279, 47693620), (5057, 40356140), (7780, 26231491), (8558, 23846810), (10114, 20178070), (17116, 11923405), (20228, 10089035), (21395, 9538724), (25285, 8071228), (42790, 4769362), (50570, 4035614), (55627, 3668740), (85580, 2384681), (101140, 2017807), (111254, 1834370), (183437, 1112540), (222508, 917185), (278135, 733748), (366874, 556270)]