388628400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{337}}^1$

素因数の和:420

約数の個数: 180

約数和(自身を含む): 1290177096

約数和(自身を除く): 901548696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 40, 48, 50, 60, 62, 75, 80, 93, 100, 120, 124, 150, 155, 186, 200, 240, 248, 300, 310, 337, 372, 400, 465, 496, 600, 620, 674, 744, 775, 930, 961, 1011, 1200, 1240, 1348, 1488, 1550, 1685, 1860, 1922, 2022, 2325, 2480, 2696, 2883, 3100, 3370, 3720, 3844, 4044, 4650, 4805, 5055, 5392, 5766, 6200, 6740, 7440, 7688, 8088, 8425, 9300, 9610, 10110, 10447, 11532, 12400, 13480, 14415, 15376, 16176, 16850, 18600, 19220, 20220, 20894, 23064, 24025, 25275, 26960, 28830, 31341, 33700, 37200, 38440, 40440, 41788, 46128, 48050, 50550, 52235, 57660, 62682, 67400, 72075, 76880, 80880, 83576, 96100, 101100, 104470, 115320, 125364, 134800, 144150, 156705, 167152, 192200, 202200, 208940, 230640, 250728, 261175, 288300, 313410, 323857, 384400, 404400, 417880, 501456, 522350, 576600, 626820, 647714, 783525, 835760, 971571, 1044700, 1153200, 1253640, 1295428, 1567050, 1619285, 1943142, 2089400, 2507280, 2590856, 3134100, 3238570, 3886284, 4178800, 4857855, 5181712, 6268200, 6477140, 7772568, 8096425, 9715710, 12536400, 12954280, 15545136, 16192850, 19431420, 24289275, 25908560, 32385700, 38862840, 48578550, 64771400, 77725680, 97157100, 129542800, 194314200, 388628400]

約数ペア:

[(1, 388628400), (2, 194314200), (3, 129542800), (4, 97157100), (5, 77725680), (6, 64771400), (8, 48578550), (10, 38862840), (12, 32385700), (15, 25908560), (16, 24289275), (20, 19431420), (24, 16192850), (25, 15545136), (30, 12954280), (31, 12536400), (40, 9715710), (48, 8096425), (50, 7772568), (60, 6477140), (62, 6268200), (75, 5181712), (80, 4857855), (93, 4178800), (100, 3886284), (120, 3238570), (124, 3134100), (150, 2590856), (155, 2507280), (186, 2089400), (200, 1943142), (240, 1619285), (248, 1567050), (300, 1295428), (310, 1253640), (337, 1153200), (372, 1044700), (400, 971571), (465, 835760), (496, 783525), (600, 647714), (620, 626820), (674, 576600), (744, 522350), (775, 501456), (930, 417880), (961, 404400), (1011, 384400), (1200, 323857), (1240, 313410), (1348, 288300), (1488, 261175), (1550, 250728), (1685, 230640), (1860, 208940), (1922, 202200), (2022, 192200), (2325, 167152), (2480, 156705), (2696, 144150), (2883, 134800), (3100, 125364), (3370, 115320), (3720, 104470), (3844, 101100), (4044, 96100), (4650, 83576), (4805, 80880), (5055, 76880), (5392, 72075), (5766, 67400), (6200, 62682), (6740, 57660), (7440, 52235), (7688, 50550), (8088, 48050), (8425, 46128), (9300, 41788), (9610, 40440), (10110, 38440), (10447, 37200), (11532, 33700), (12400, 31341), (13480, 28830), (14415, 26960), (15376, 25275), (16176, 24025), (16850, 23064), (18600, 20894), (19220, 20220)]