7380451420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{140473}}^1$

素因数の和:140590

約数の個数: 48

約数和(自身を含む): 16142148288

約数和(自身を除く): 8761696868

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 2627, 5254, 10508, 13135, 26270, 52540, 140473, 280946, 561892, 702365, 1404730, 2809460, 5197501, 9973583, 10395002, 19947166, 20790004, 25987505, 39894332, 49867915, 51975010, 99735830, 103950020, 199471660, 369022571, 738045142, 1476090284, 1845112855, 3690225710, 7380451420]

約数ペア:

[(1, 7380451420), (2, 3690225710), (4, 1845112855), (5, 1476090284), (10, 738045142), (20, 369022571), (37, 199471660), (71, 103950020), (74, 99735830), (142, 51975010), (148, 49867915), (185, 39894332), (284, 25987505), (355, 20790004), (370, 19947166), (710, 10395002), (740, 9973583), (1420, 5197501), (2627, 2809460), (5254, 1404730), (10508, 702365), (13135, 561892), (26270, 280946), (52540, 140473)]