287091290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{4973}}^1$

素因数の和:5254

約数の個数: 32

約数和(自身を含む): 541489536

約数和(自身を除く): 254398246

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 251, 502, 1255, 2510, 4973, 5773, 9946, 11546, 24865, 28865, 49730, 57730, 114379, 228758, 571895, 1143790, 1248223, 2496446, 6241115, 12482230, 28709129, 57418258, 143545645, 287091290]

約数ペア:

[(1, 287091290), (2, 143545645), (5, 57418258), (10, 28709129), (23, 12482230), (46, 6241115), (115, 2496446), (230, 1248223), (251, 1143790), (502, 571895), (1255, 228758), (2510, 114379), (4973, 57730), (5773, 49730), (9946, 28865), (11546, 24865)]