28390130

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 24832270

約数列:

[1, 2, 5, 10, 29, 58, 145, 223, 290, 439, 446, 878, 1115, 2195, 2230, 4390, 6467, 12731, 12934, 25462, 32335, 63655, 64670, 97897, 127310, 195794, 489485, 978970, 2839013, 5678026, 14195065, 28390130]

約数ペア:

[(1, 28390130), (2, 14195065), (5, 5678026), (10, 2839013), (29, 978970), (58, 489485), (145, 195794), (223, 127310), (290, 97897), (439, 64670), (446, 63655), (878, 32335), (1115, 25462), (2195, 12934), (2230, 12731), (4390, 6467)]