3307990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 7132752

約数和(自身を除く): 3824762

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 157, 215, 245, 301, 314, 430, 490, 602, 785, 1099, 1505, 1570, 2107, 2198, 3010, 4214, 5495, 6751, 7693, 10535, 10990, 13502, 15386, 21070, 33755, 38465, 47257, 67510, 76930, 94514, 236285, 330799, 472570, 661598, 1653995, 3307990]

約数ペア:

[(1, 3307990), (2, 1653995), (5, 661598), (7, 472570), (10, 330799), (14, 236285), (35, 94514), (43, 76930), (49, 67510), (70, 47257), (86, 38465), (98, 33755), (157, 21070), (215, 15386), (245, 13502), (301, 10990), (314, 10535), (430, 7693), (490, 6751), (602, 5495), (785, 4214), (1099, 3010), (1505, 2198), (1570, 2107)]