304299619640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2399}}^1\times {\mathrm{16097}}^1$

素因数の和:18704

約数の個数: 64

約数和(自身を含む): 688479264000

約数和(自身を除く): 384179644360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2399, 3940, 4798, 7880, 9596, 11995, 16097, 19192, 23990, 32194, 47980, 64388, 80485, 95960, 128776, 160970, 321940, 472603, 643880, 945206, 1890412, 2363015, 3171109, 3780824, 4726030, 6342218, 9452060, 12684436, 15855545, 18904120, 25368872, 31711090, 38616703, 63422180, 77233406, 126844360, 154466812, 193083515, 308933624, 386167030, 772334060, 1544668120, 7607490491, 15214980982, 30429961964, 38037452455, 60859923928, 76074904910, 152149809820, 304299619640]

約数ペア:

[(1, 304299619640), (2, 152149809820), (4, 76074904910), (5, 60859923928), (8, 38037452455), (10, 30429961964), (20, 15214980982), (40, 7607490491), (197, 1544668120), (394, 772334060), (788, 386167030), (985, 308933624), (1576, 193083515), (1970, 154466812), (2399, 126844360), (3940, 77233406), (4798, 63422180), (7880, 38616703), (9596, 31711090), (11995, 25368872), (16097, 18904120), (19192, 15855545), (23990, 12684436), (32194, 9452060), (47980, 6342218), (64388, 4726030), (80485, 3780824), (95960, 3171109), (128776, 2363015), (160970, 1890412), (321940, 945206), (472603, 643880)]