245325990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1334

約数の個数: 128

約数和(自身を含む): 735178752

約数和(自身を除く): 489852762

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 73, 78, 91, 105, 130, 146, 182, 195, 210, 219, 273, 365, 390, 438, 455, 511, 546, 730, 910, 949, 1022, 1095, 1231, 1365, 1533, 1898, 2190, 2462, 2555, 2730, 2847, 3066, 3693, 4745, 5110, 5694, 6155, 6643, 7386, 7665, 8617, 9490, 12310, 13286, 14235, 15330, 16003, 17234, 18465, 19929, 25851, 28470, 32006, 33215, 36930, 39858, 43085, 48009, 51702, 66430, 80015, 86170, 89863, 96018, 99645, 112021, 129255, 160030, 179726, 199290, 224042, 240045, 258510, 269589, 336063, 449315, 480090, 539178, 560105, 629041, 672126, 898630, 1120210, 1168219, 1258082, 1347945, 1680315, 1887123, 2336438, 2695890, 3145205, 3360630, 3504657, 3774246, 5841095, 6290410, 7009314, 8177533, 9435615, 11682190, 16355066, 17523285, 18871230, 24532599, 35046570, 40887665, 49065198, 81775330, 122662995, 245325990]

約数ペア:

[(1, 245325990), (2, 122662995), (3, 81775330), (5, 49065198), (6, 40887665), (7, 35046570), (10, 24532599), (13, 18871230), (14, 17523285), (15, 16355066), (21, 11682190), (26, 9435615), (30, 8177533), (35, 7009314), (39, 6290410), (42, 5841095), (65, 3774246), (70, 3504657), (73, 3360630), (78, 3145205), (91, 2695890), (105, 2336438), (130, 1887123), (146, 1680315), (182, 1347945), (195, 1258082), (210, 1168219), (219, 1120210), (273, 898630), (365, 672126), (390, 629041), (438, 560105), (455, 539178), (511, 480090), (546, 449315), (730, 336063), (910, 269589), (949, 258510), (1022, 240045), (1095, 224042), (1231, 199290), (1365, 179726), (1533, 160030), (1898, 129255), (2190, 112021), (2462, 99645), (2555, 96018), (2730, 89863), (2847, 86170), (3066, 80015), (3693, 66430), (4745, 51702), (5110, 48009), (5694, 43085), (6155, 39858), (6643, 36930), (7386, 33215), (7665, 32006), (8617, 28470), (9490, 25851), (12310, 19929), (13286, 18465), (14235, 17234), (15330, 16003)]