78745270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{653}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 146914560

約数和(自身を除く): 68169290

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 389, 653, 778, 1306, 1945, 3265, 3890, 6530, 12059, 20243, 24118, 40486, 60295, 101215, 120590, 202430, 254017, 508034, 1270085, 2540170, 7874527, 15749054, 39372635, 78745270]

約数ペア:

[(1, 78745270), (2, 39372635), (5, 15749054), (10, 7874527), (31, 2540170), (62, 1270085), (155, 508034), (310, 254017), (389, 202430), (653, 120590), (778, 101215), (1306, 60295), (1945, 40486), (3265, 24118), (3890, 20243), (6530, 12059)]