30086990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 56842560

約数和(自身を除く): 26755570

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 257, 509, 514, 1018, 1285, 2545, 2570, 5090, 5911, 11707, 11822, 23414, 29555, 58535, 59110, 117070, 130813, 261626, 654065, 1308130, 3008699, 6017398, 15043495, 30086990]

約数ペア:

[(1, 30086990), (2, 15043495), (5, 6017398), (10, 3008699), (23, 1308130), (46, 654065), (115, 261626), (230, 130813), (257, 117070), (509, 59110), (514, 58535), (1018, 29555), (1285, 23414), (2545, 11822), (2570, 11707), (5090, 5911)]