19779268460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{40939}}^1$

素因数の和:41008

約数の個数: 144

約数和(自身を含む): 52925594400

約数和(自身を除く): 33146325940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 49, 58, 68, 70, 85, 98, 116, 119, 140, 145, 170, 196, 203, 238, 245, 290, 340, 406, 476, 490, 493, 580, 595, 812, 833, 980, 986, 1015, 1190, 1421, 1666, 1972, 2030, 2380, 2465, 2842, 3332, 3451, 4060, 4165, 4930, 5684, 6902, 7105, 8330, 9860, 13804, 14210, 16660, 17255, 24157, 28420, 34510, 40939, 48314, 69020, 81878, 96628, 120785, 163756, 204695, 241570, 286573, 409390, 483140, 573146, 695963, 818780, 1146292, 1187231, 1391926, 1432865, 2006011, 2374462, 2783852, 2865730, 3479815, 4012022, 4748924, 4871741, 5731460, 5936155, 6959630, 8024044, 8310617, 9743482, 10030055, 11872310, 13919260, 16621234, 19486964, 20060110, 20182927, 23744620, 24358705, 33242468, 34102187, 40120220, 40365854, 41553085, 48717410, 58174319, 68204374, 80731708, 83106170, 97434820, 100914635, 116348638, 136408748, 141280489, 166212340, 170510935, 201829270, 232697276, 282560978, 290871595, 341021870, 403658540, 565121956, 581743190, 682043740, 706402445, 988963423, 1163486380, 1412804890, 1977926846, 2825609780, 3955853692, 4944817115, 9889634230, 19779268460]

約数ペア:

[(1, 19779268460), (2, 9889634230), (4, 4944817115), (5, 3955853692), (7, 2825609780), (10, 1977926846), (14, 1412804890), (17, 1163486380), (20, 988963423), (28, 706402445), (29, 682043740), (34, 581743190), (35, 565121956), (49, 403658540), (58, 341021870), (68, 290871595), (70, 282560978), (85, 232697276), (98, 201829270), (116, 170510935), (119, 166212340), (140, 141280489), (145, 136408748), (170, 116348638), (196, 100914635), (203, 97434820), (238, 83106170), (245, 80731708), (290, 68204374), (340, 58174319), (406, 48717410), (476, 41553085), (490, 40365854), (493, 40120220), (580, 34102187), (595, 33242468), (812, 24358705), (833, 23744620), (980, 20182927), (986, 20060110), (1015, 19486964), (1190, 16621234), (1421, 13919260), (1666, 11872310), (1972, 10030055), (2030, 9743482), (2380, 8310617), (2465, 8024044), (2842, 6959630), (3332, 5936155), (3451, 5731460), (4060, 4871741), (4165, 4748924), (4930, 4012022), (5684, 3479815), (6902, 2865730), (7105, 2783852), (8330, 2374462), (9860, 2006011), (13804, 1432865), (14210, 1391926), (16660, 1187231), (17255, 1146292), (24157, 818780), (28420, 695963), (34510, 573146), (40939, 483140), (48314, 409390), (69020, 286573), (81878, 241570), (96628, 204695), (120785, 163756)]