395659880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128461}}^1$

素因数の和:128490

約数の個数: 64

約数和(自身を含む): 1109911680

約数和(自身を除く): 714251800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 128461, 256922, 513844, 642305, 899227, 1027688, 1284610, 1413071, 1798454, 2569220, 2826142, 3596908, 4496135, 5138440, 5652284, 7065355, 7193816, 8992270, 9891497, 11304568, 14130710, 17984540, 19782994, 28261420, 35969080, 39565988, 49457485, 56522840, 79131976, 98914970, 197829940, 395659880]

約数ペア:

[(1, 395659880), (2, 197829940), (4, 98914970), (5, 79131976), (7, 56522840), (8, 49457485), (10, 39565988), (11, 35969080), (14, 28261420), (20, 19782994), (22, 17984540), (28, 14130710), (35, 11304568), (40, 9891497), (44, 8992270), (55, 7193816), (56, 7065355), (70, 5652284), (77, 5138440), (88, 4496135), (110, 3596908), (140, 2826142), (154, 2569220), (220, 1798454), (280, 1413071), (308, 1284610), (385, 1027688), (440, 899227), (616, 642305), (770, 513844), (1540, 256922), (3080, 128461)]