28247910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40939}}^1$

素因数の和:40972

約数の個数: 32

約数和(自身を含む): 70744320

約数和(自身を除く): 42496410

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 40939, 81878, 122817, 204695, 245634, 409390, 614085, 941597, 1228170, 1883194, 2824791, 4707985, 5649582, 9415970, 14123955, 28247910]

約数ペア:

[(1, 28247910), (2, 14123955), (3, 9415970), (5, 5649582), (6, 4707985), (10, 2824791), (15, 1883194), (23, 1228170), (30, 941597), (46, 614085), (69, 409390), (115, 245634), (138, 204695), (230, 122817), (345, 81878), (690, 40939)]