198071860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 500774400

約数和(自身を除く): 302702540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 137, 140, 161, 230, 274, 322, 449, 460, 548, 644, 685, 805, 898, 959, 1370, 1610, 1796, 1918, 2245, 2740, 3143, 3151, 3220, 3836, 4490, 4795, 6286, 6302, 8980, 9590, 10327, 12572, 12604, 15715, 15755, 19180, 20654, 22057, 31430, 31510, 41308, 44114, 51635, 61513, 62860, 63020, 72289, 88228, 103270, 110285, 123026, 144578, 206540, 220570, 246052, 289156, 307565, 361445, 430591, 441140, 615130, 722890, 861182, 1230260, 1414799, 1445780, 1722364, 2152955, 2829598, 4305910, 5659196, 7073995, 8611820, 9903593, 14147990, 19807186, 28295980, 39614372, 49517965, 99035930, 198071860]

約数ペア:

[(1, 198071860), (2, 99035930), (4, 49517965), (5, 39614372), (7, 28295980), (10, 19807186), (14, 14147990), (20, 9903593), (23, 8611820), (28, 7073995), (35, 5659196), (46, 4305910), (70, 2829598), (92, 2152955), (115, 1722364), (137, 1445780), (140, 1414799), (161, 1230260), (230, 861182), (274, 722890), (322, 615130), (449, 441140), (460, 430591), (548, 361445), (644, 307565), (685, 289156), (805, 246052), (898, 220570), (959, 206540), (1370, 144578), (1610, 123026), (1796, 110285), (1918, 103270), (2245, 88228), (2740, 72289), (3143, 63020), (3151, 62860), (3220, 61513), (3836, 51635), (4490, 44114), (4795, 41308), (6286, 31510), (6302, 31430), (8980, 22057), (9590, 20654), (10327, 19180), (12572, 15755), (12604, 15715)]