743288740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{4243}}^1$

素因数の和:4732

約数の個数: 48

約数和(自身を含む): 1647011520

約数和(自身を除く): 903722780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 461, 922, 1844, 2305, 4243, 4610, 8486, 8759, 9220, 16972, 17518, 21215, 35036, 42430, 43795, 80617, 84860, 87590, 161234, 175180, 322468, 403085, 806170, 1612340, 1956023, 3912046, 7824092, 9780115, 19560230, 37164437, 39120460, 74328874, 148657748, 185822185, 371644370, 743288740]

約数ペア:

[(1, 743288740), (2, 371644370), (4, 185822185), (5, 148657748), (10, 74328874), (19, 39120460), (20, 37164437), (38, 19560230), (76, 9780115), (95, 7824092), (190, 3912046), (380, 1956023), (461, 1612340), (922, 806170), (1844, 403085), (2305, 322468), (4243, 175180), (4610, 161234), (8486, 87590), (8759, 84860), (9220, 80617), (16972, 43795), (17518, 42430), (21215, 35036)]