278328230

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{8237}}^1$

素因数の和:8384

約数の個数: 32

約数和(自身を含む): 521959680

約数和(自身を除く): 243631450

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 1090, 3379, 6758, 8237, 16474, 16895, 33790, 41185, 82370, 255347, 510694, 897833, 1276735, 1795666, 2553470, 4489165, 8978330, 27832823, 55665646, 139164115, 278328230]

約数ペア:

[(1, 278328230), (2, 139164115), (5, 55665646), (10, 27832823), (31, 8978330), (62, 4489165), (109, 2553470), (155, 1795666), (218, 1276735), (310, 897833), (545, 510694), (1090, 255347), (3379, 82370), (6758, 41185), (8237, 33790), (16474, 16895)]