90409970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{16349}}^1$

素因数の和:16442

約数の個数: 32

約数和(自身を含む): 188352000

約数和(自身を除く): 97942030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 16349, 32698, 81745, 114443, 163490, 228886, 572215, 1144430, 1291571, 2583142, 6457855, 9040997, 12915710, 18081994, 45204985, 90409970]

約数ペア:

[(1, 90409970), (2, 45204985), (5, 18081994), (7, 12915710), (10, 9040997), (14, 6457855), (35, 2583142), (70, 1291571), (79, 1144430), (158, 572215), (395, 228886), (553, 163490), (790, 114443), (1106, 81745), (2765, 32698), (5530, 16349)]