About the Number

401028480

401028479 ← → 401028481

2進数表記:10111111001110011010110000000

漢数字表記:四億百二万八千四百八十

素因数分解:

2 7 × 3 2 × 5 1 × 69623 1

素因数の和:69648
約数の個数: 96
約数和(自身を含む): 1384821360
約数和(自身を除く): 983792880

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 69623, 139246, 208869, 278492, 348115, 417738, 556984, 626607, 696230, 835476, 1044345, 1113968, 1253214, 1392460, 1670952, 2088690, 2227936, 2506428, 2784920, 3133035, 3341904, 4177380, 4455872, 5012856, 5569840, 6266070, 6683808, 8354760, 8911744, 10025712, 11139680, 12532140, 13367616, 16709520, 20051424, 22279360, 25064280, 26735232, 33419040, 40102848, 44558720, 50128560, 66838080, 80205696, 100257120, 133676160, 200514240, 401028480]

約数ペア:
[(1, 401028480), (2, 200514240), (3, 133676160), (4, 100257120), (5, 80205696), (6, 66838080), (8, 50128560), (9, 44558720), (10, 40102848), (12, 33419040), (15, 26735232), (16, 25064280), (18, 22279360), (20, 20051424), (24, 16709520), (30, 13367616), (32, 12532140), (36, 11139680), (40, 10025712), (45, 8911744), (48, 8354760), (60, 6683808), (64, 6266070), (72, 5569840), (80, 5012856), (90, 4455872), (96, 4177380), (120, 3341904), (128, 3133035), (144, 2784920), (160, 2506428), (180, 2227936), (192, 2088690), (240, 1670952), (288, 1392460), (320, 1253214), (360, 1113968), (384, 1044345), (480, 835476), (576, 696230), (640, 626607), (720, 556984), (960, 417738), (1152, 348115), (1440, 278492), (1920, 208869), (2880, 139246), (5760, 69623)]

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