1900998400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{42433}}^1$

素因数の和:42466

約数の個数: 108

約数和(自身を含む): 5377575952

約数和(自身を除く): 3476577552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1280, 1400, 1600, 1792, 2240, 2800, 3200, 4480, 5600, 6400, 8960, 11200, 22400, 42433, 44800, 84866, 169732, 212165, 297031, 339464, 424330, 594062, 678928, 848660, 1060825, 1188124, 1357856, 1485155, 1697320, 2121650, 2376248, 2715712, 2970310, 3394640, 4243300, 4752496, 5431424, 5940620, 6789280, 7425775, 8486600, 9504992, 10862848, 11881240, 13578560, 14851550, 16973200, 19009984, 23762480, 27157120, 29703100, 33946400, 38019968, 47524960, 54314240, 59406200, 67892800, 76039936, 95049920, 118812400, 135785600, 190099840, 237624800, 271571200, 380199680, 475249600, 950499200, 1900998400]

約数ペア:

[(1, 1900998400), (2, 950499200), (4, 475249600), (5, 380199680), (7, 271571200), (8, 237624800), (10, 190099840), (14, 135785600), (16, 118812400), (20, 95049920), (25, 76039936), (28, 67892800), (32, 59406200), (35, 54314240), (40, 47524960), (50, 38019968), (56, 33946400), (64, 29703100), (70, 27157120), (80, 23762480), (100, 19009984), (112, 16973200), (128, 14851550), (140, 13578560), (160, 11881240), (175, 10862848), (200, 9504992), (224, 8486600), (256, 7425775), (280, 6789280), (320, 5940620), (350, 5431424), (400, 4752496), (448, 4243300), (560, 3394640), (640, 2970310), (700, 2715712), (800, 2376248), (896, 2121650), (1120, 1697320), (1280, 1485155), (1400, 1357856), (1600, 1188124), (1792, 1060825), (2240, 848660), (2800, 678928), (3200, 594062), (4480, 424330), (5600, 339464), (6400, 297031), (8960, 212165), (11200, 169732), (22400, 84866), (42433, 44800)]