521633450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 1079930880

約数和(自身を除く): 558297430

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 89, 127, 130, 142, 178, 254, 325, 355, 445, 635, 650, 710, 890, 923, 1157, 1270, 1651, 1775, 1846, 2225, 2314, 3175, 3302, 3550, 4450, 4615, 5785, 6319, 6350, 8255, 9017, 9230, 11303, 11570, 12638, 16510, 18034, 22606, 23075, 28925, 31595, 41275, 45085, 46150, 56515, 57850, 63190, 82147, 82550, 90170, 113030, 117221, 146939, 157975, 164294, 225425, 234442, 282575, 293878, 315950, 410735, 450850, 565150, 586105, 734695, 802513, 821470, 1172210, 1469390, 1605026, 2053675, 2930525, 3673475, 4012565, 4107350, 5861050, 7346950, 8025130, 10432669, 20062825, 20865338, 40125650, 52163345, 104326690, 260816725, 521633450]

約数ペア:

[(1, 521633450), (2, 260816725), (5, 104326690), (10, 52163345), (13, 40125650), (25, 20865338), (26, 20062825), (50, 10432669), (65, 8025130), (71, 7346950), (89, 5861050), (127, 4107350), (130, 4012565), (142, 3673475), (178, 2930525), (254, 2053675), (325, 1605026), (355, 1469390), (445, 1172210), (635, 821470), (650, 802513), (710, 734695), (890, 586105), (923, 565150), (1157, 450850), (1270, 410735), (1651, 315950), (1775, 293878), (1846, 282575), (2225, 234442), (2314, 225425), (3175, 164294), (3302, 157975), (3550, 146939), (4450, 117221), (4615, 113030), (5785, 90170), (6319, 82550), (6350, 82147), (8255, 63190), (9017, 57850), (9230, 56515), (11303, 46150), (11570, 45085), (12638, 41275), (16510, 31595), (18034, 28925), (22606, 23075)]