331566340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{17807}}^1$

素因数の和:17849

約数の個数: 72

約数和(自身を含む): 852647040

約数和(自身を除く): 521080700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 17807, 18620, 35614, 71228, 89035, 124649, 178070, 249298, 338333, 356140, 498596, 623245, 676666, 872543, 1246490, 1353332, 1691665, 1745086, 2368331, 2492980, 3383330, 3490172, 4362715, 4736662, 6766660, 8725430, 9473324, 11841655, 16578317, 17450860, 23683310, 33156634, 47366620, 66313268, 82891585, 165783170, 331566340]

約数ペア:

[(1, 331566340), (2, 165783170), (4, 82891585), (5, 66313268), (7, 47366620), (10, 33156634), (14, 23683310), (19, 17450860), (20, 16578317), (28, 11841655), (35, 9473324), (38, 8725430), (49, 6766660), (70, 4736662), (76, 4362715), (95, 3490172), (98, 3383330), (133, 2492980), (140, 2368331), (190, 1745086), (196, 1691665), (245, 1353332), (266, 1246490), (380, 872543), (490, 676666), (532, 623245), (665, 498596), (931, 356140), (980, 338333), (1330, 249298), (1862, 178070), (2660, 124649), (3724, 89035), (4655, 71228), (9310, 35614), (17807, 18620)]