30486890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 35177110

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 79, 149, 158, 185, 259, 298, 370, 395, 518, 553, 745, 790, 1043, 1106, 1295, 1490, 2086, 2590, 2765, 2923, 5215, 5513, 5530, 5846, 10430, 11026, 11771, 14615, 20461, 23542, 27565, 29230, 38591, 40922, 55130, 58855, 77182, 82397, 102305, 117710, 164794, 192955, 204610, 385910, 411985, 435527, 823970, 871054, 2177635, 3048689, 4355270, 6097378, 15243445, 30486890]

約数ペア:

[(1, 30486890), (2, 15243445), (5, 6097378), (7, 4355270), (10, 3048689), (14, 2177635), (35, 871054), (37, 823970), (70, 435527), (74, 411985), (79, 385910), (149, 204610), (158, 192955), (185, 164794), (259, 117710), (298, 102305), (370, 82397), (395, 77182), (518, 58855), (553, 55130), (745, 40922), (790, 38591), (1043, 29230), (1106, 27565), (1295, 23542), (1490, 20461), (2086, 14615), (2590, 11771), (2765, 11026), (2923, 10430), (5215, 5846), (5513, 5530)]