253439340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4987}}^1$

素因数の和:5028

約数の個数: 144

約数和(自身を含む): 891614976

約数和(自身を除く): 638175636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3388, 3630, 4235, 4620, 4987, 5082, 7260, 8470, 9974, 10164, 12705, 14961, 16940, 19948, 24935, 25410, 29922, 34909, 49870, 50820, 54857, 59844, 69818, 74805, 99740, 104727, 109714, 139636, 149610, 164571, 174545, 209454, 219428, 274285, 299220, 329142, 349090, 383999, 418908, 523635, 548570, 603427, 658284, 698180, 767998, 822855, 1047270, 1097140, 1151997, 1206854, 1535996, 1645710, 1810281, 1919995, 2094540, 2303994, 2413708, 3017135, 3291420, 3620562, 3839990, 4223989, 4607988, 5759985, 6034270, 7241124, 7679980, 8447978, 9051405, 11519970, 12068540, 12671967, 16895956, 18102810, 21119945, 23039940, 25343934, 36205620, 42239890, 50687868, 63359835, 84479780, 126719670, 253439340]

約数ペア:

[(1, 253439340), (2, 126719670), (3, 84479780), (4, 63359835), (5, 50687868), (6, 42239890), (7, 36205620), (10, 25343934), (11, 23039940), (12, 21119945), (14, 18102810), (15, 16895956), (20, 12671967), (21, 12068540), (22, 11519970), (28, 9051405), (30, 8447978), (33, 7679980), (35, 7241124), (42, 6034270), (44, 5759985), (55, 4607988), (60, 4223989), (66, 3839990), (70, 3620562), (77, 3291420), (84, 3017135), (105, 2413708), (110, 2303994), (121, 2094540), (132, 1919995), (140, 1810281), (154, 1645710), (165, 1535996), (210, 1206854), (220, 1151997), (231, 1097140), (242, 1047270), (308, 822855), (330, 767998), (363, 698180), (385, 658284), (420, 603427), (462, 548570), (484, 523635), (605, 418908), (660, 383999), (726, 349090), (770, 329142), (847, 299220), (924, 274285), (1155, 219428), (1210, 209454), (1452, 174545), (1540, 164571), (1694, 149610), (1815, 139636), (2310, 109714), (2420, 104727), (2541, 99740), (3388, 74805), (3630, 69818), (4235, 59844), (4620, 54857), (4987, 50820), (5082, 49870), (7260, 34909), (8470, 29922), (9974, 25410), (10164, 24935), (12705, 19948), (14961, 16940)]