389904180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{751}}^1$

素因数の和:1289

約数の個数: 96

約数和(自身を含む): 1159764480

約数和(自身を除く): 769860300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 509, 510, 751, 1018, 1020, 1502, 1527, 2036, 2253, 2545, 3004, 3054, 3755, 4506, 5090, 6108, 7510, 7635, 8653, 9012, 10180, 11265, 12767, 15020, 15270, 17306, 22530, 25534, 25959, 30540, 34612, 38301, 43265, 45060, 51068, 51918, 63835, 76602, 86530, 103836, 127670, 129795, 153204, 173060, 191505, 255340, 259590, 382259, 383010, 519180, 764518, 766020, 1146777, 1529036, 1911295, 2293554, 3822590, 4587108, 5733885, 6498403, 7645180, 11467770, 12996806, 19495209, 22935540, 25993612, 32492015, 38990418, 64984030, 77980836, 97476045, 129968060, 194952090, 389904180]

約数ペア:

[(1, 389904180), (2, 194952090), (3, 129968060), (4, 97476045), (5, 77980836), (6, 64984030), (10, 38990418), (12, 32492015), (15, 25993612), (17, 22935540), (20, 19495209), (30, 12996806), (34, 11467770), (51, 7645180), (60, 6498403), (68, 5733885), (85, 4587108), (102, 3822590), (170, 2293554), (204, 1911295), (255, 1529036), (340, 1146777), (509, 766020), (510, 764518), (751, 519180), (1018, 383010), (1020, 382259), (1502, 259590), (1527, 255340), (2036, 191505), (2253, 173060), (2545, 153204), (3004, 129795), (3054, 127670), (3755, 103836), (4506, 86530), (5090, 76602), (6108, 63835), (7510, 51918), (7635, 51068), (8653, 45060), (9012, 43265), (10180, 38301), (11265, 34612), (12767, 30540), (15020, 25959), (15270, 25534), (17306, 22530)]