199277320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 521769600

約数和(自身を除く): 322492280

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 121, 152, 190, 197, 209, 220, 242, 380, 394, 418, 440, 484, 605, 760, 788, 836, 968, 985, 1045, 1210, 1331, 1576, 1672, 1970, 2090, 2167, 2299, 2420, 2662, 3743, 3940, 4180, 4334, 4598, 4840, 5324, 6655, 7486, 7880, 8360, 8668, 9196, 10648, 10835, 11495, 13310, 14972, 17336, 18392, 18715, 21670, 22990, 23837, 25289, 26620, 29944, 37430, 41173, 43340, 45980, 47674, 50578, 53240, 74860, 82346, 86680, 91960, 95348, 101156, 119185, 126445, 149720, 164692, 190696, 202312, 205865, 238370, 252890, 262207, 329384, 411730, 452903, 476740, 505780, 524414, 823460, 905806, 953480, 1011560, 1048828, 1311035, 1646920, 1811612, 2097656, 2264515, 2622070, 3623224, 4529030, 4981933, 5244140, 9058060, 9963866, 10488280, 18116120, 19927732, 24909665, 39855464, 49819330, 99638660, 199277320]

約数ペア:

[(1, 199277320), (2, 99638660), (4, 49819330), (5, 39855464), (8, 24909665), (10, 19927732), (11, 18116120), (19, 10488280), (20, 9963866), (22, 9058060), (38, 5244140), (40, 4981933), (44, 4529030), (55, 3623224), (76, 2622070), (88, 2264515), (95, 2097656), (110, 1811612), (121, 1646920), (152, 1311035), (190, 1048828), (197, 1011560), (209, 953480), (220, 905806), (242, 823460), (380, 524414), (394, 505780), (418, 476740), (440, 452903), (484, 411730), (605, 329384), (760, 262207), (788, 252890), (836, 238370), (968, 205865), (985, 202312), (1045, 190696), (1210, 164692), (1331, 149720), (1576, 126445), (1672, 119185), (1970, 101156), (2090, 95348), (2167, 91960), (2299, 86680), (2420, 82346), (2662, 74860), (3743, 53240), (3940, 50578), (4180, 47674), (4334, 45980), (4598, 43340), (4840, 41173), (5324, 37430), (6655, 29944), (7486, 26620), (7880, 25289), (8360, 23837), (8668, 22990), (9196, 21670), (10648, 18715), (10835, 18392), (11495, 17336), (13310, 14972)]