880041890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:556

約数の個数: 128

約数和(自身を含む): 2082931200

約数和(自身を除く): 1202889310

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 163, 170, 182, 221, 238, 326, 349, 442, 455, 595, 698, 815, 910, 1105, 1141, 1190, 1547, 1630, 1745, 2119, 2210, 2282, 2443, 2771, 3094, 3490, 4238, 4537, 4886, 5542, 5705, 5933, 7735, 9074, 10595, 11410, 11866, 12215, 13855, 14833, 15470, 19397, 21190, 22685, 24430, 27710, 29665, 29666, 31759, 36023, 38794, 41531, 45370, 56887, 59330, 63518, 72046, 74165, 77129, 83062, 96985, 113774, 148330, 154258, 158795, 180115, 193970, 207655, 252161, 284435, 317590, 360230, 385645, 398209, 415310, 504322, 539903, 568870, 739531, 771290, 796418, 967079, 1079806, 1260805, 1479062, 1934158, 1991045, 2521610, 2699515, 3697655, 3982090, 4835395, 5176717, 5399030, 6769553, 7395310, 9670790, 10353434, 12572027, 13539106, 25144054, 25883585, 33847765, 51767170, 62860135, 67695530, 88004189, 125720270, 176008378, 440020945, 880041890]

約数ペア:

[(1, 880041890), (2, 440020945), (5, 176008378), (7, 125720270), (10, 88004189), (13, 67695530), (14, 62860135), (17, 51767170), (26, 33847765), (34, 25883585), (35, 25144054), (65, 13539106), (70, 12572027), (85, 10353434), (91, 9670790), (119, 7395310), (130, 6769553), (163, 5399030), (170, 5176717), (182, 4835395), (221, 3982090), (238, 3697655), (326, 2699515), (349, 2521610), (442, 1991045), (455, 1934158), (595, 1479062), (698, 1260805), (815, 1079806), (910, 967079), (1105, 796418), (1141, 771290), (1190, 739531), (1547, 568870), (1630, 539903), (1745, 504322), (2119, 415310), (2210, 398209), (2282, 385645), (2443, 360230), (2771, 317590), (3094, 284435), (3490, 252161), (4238, 207655), (4537, 193970), (4886, 180115), (5542, 158795), (5705, 154258), (5933, 148330), (7735, 113774), (9074, 96985), (10595, 83062), (11410, 77129), (11866, 74165), (12215, 72046), (13855, 63518), (14833, 59330), (15470, 56887), (19397, 45370), (21190, 41531), (22685, 38794), (24430, 36023), (27710, 31759), (29665, 29666)]