199921170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{947}}^1$

素因数の和:1215

約数の個数: 64

約数和(自身を含む): 497995776

約数和(自身を除く): 298074606

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 227, 310, 454, 465, 681, 930, 947, 1135, 1362, 1894, 2270, 2841, 3405, 4735, 5682, 6810, 7037, 9470, 14074, 14205, 21111, 28410, 29357, 35185, 42222, 58714, 70370, 88071, 105555, 146785, 176142, 211110, 214969, 293570, 429938, 440355, 644907, 880710, 1074845, 1289814, 2149690, 3224535, 6449070, 6664039, 13328078, 19992117, 33320195, 39984234, 66640390, 99960585, 199921170]

約数ペア:

[(1, 199921170), (2, 99960585), (3, 66640390), (5, 39984234), (6, 33320195), (10, 19992117), (15, 13328078), (30, 6664039), (31, 6449070), (62, 3224535), (93, 2149690), (155, 1289814), (186, 1074845), (227, 880710), (310, 644907), (454, 440355), (465, 429938), (681, 293570), (930, 214969), (947, 211110), (1135, 176142), (1362, 146785), (1894, 105555), (2270, 88071), (2841, 70370), (3405, 58714), (4735, 42222), (5682, 35185), (6810, 29357), (7037, 28410), (9470, 21111), (14074, 14205)]