281609830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{10663}}^1$

素因数の和:10828

約数の個数: 32

約数和(自身を含む): 537465600

約数和(自身を除く): 255855770

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 1390, 2641, 5282, 10663, 13205, 21326, 26410, 53315, 106630, 202597, 405194, 1012985, 1482157, 2025970, 2964314, 7410785, 14821570, 28160983, 56321966, 140804915, 281609830]

約数ペア:

[(1, 281609830), (2, 140804915), (5, 56321966), (10, 28160983), (19, 14821570), (38, 7410785), (95, 2964314), (139, 2025970), (190, 1482157), (278, 1012985), (695, 405194), (1390, 202597), (2641, 106630), (5282, 53315), (10663, 26410), (13205, 21326)]