306388490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1063}}^1$

素因数の和:1167

約数の個数: 64

約数和(自身を含む): 611331840

約数和(自身を除く): 304943350

約数列:

[1, 2, 5, 10, 19, 37, 38, 41, 74, 82, 95, 185, 190, 205, 370, 410, 703, 779, 1063, 1406, 1517, 1558, 2126, 3034, 3515, 3895, 5315, 7030, 7585, 7790, 10630, 15170, 20197, 28823, 39331, 40394, 43583, 57646, 78662, 87166, 100985, 144115, 196655, 201970, 217915, 288230, 393310, 435830, 747289, 828077, 1494578, 1612571, 1656154, 3225142, 3736445, 4140385, 7472890, 8062855, 8280770, 16125710, 30638849, 61277698, 153194245, 306388490]

約数ペア:

[(1, 306388490), (2, 153194245), (5, 61277698), (10, 30638849), (19, 16125710), (37, 8280770), (38, 8062855), (41, 7472890), (74, 4140385), (82, 3736445), (95, 3225142), (185, 1656154), (190, 1612571), (205, 1494578), (370, 828077), (410, 747289), (703, 435830), (779, 393310), (1063, 288230), (1406, 217915), (1517, 201970), (1558, 196655), (2126, 144115), (3034, 100985), (3515, 87166), (3895, 78662), (5315, 57646), (7030, 43583), (7585, 40394), (7790, 39331), (10630, 28823), (15170, 20197)]