74974580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 164094336

約数和(自身を除く): 89119756

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 1427, 2627, 2854, 5254, 5708, 7135, 10508, 13135, 14270, 26270, 28540, 52540, 52799, 101317, 105598, 202634, 211196, 263995, 405268, 506585, 527990, 1013170, 1055980, 2026340, 3748729, 7497458, 14994916, 18743645, 37487290, 74974580]

約数ペア:

[(1, 74974580), (2, 37487290), (4, 18743645), (5, 14994916), (10, 7497458), (20, 3748729), (37, 2026340), (71, 1055980), (74, 1013170), (142, 527990), (148, 506585), (185, 405268), (284, 263995), (355, 211196), (370, 202634), (710, 105598), (740, 101317), (1420, 52799), (1427, 52540), (2627, 28540), (2854, 26270), (5254, 14270), (5708, 13135), (7135, 10508)]