381424000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 980179200

約数和(自身を除く): 598755200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 620, 640, 769, 775, 800, 992, 1000, 1240, 1538, 1550, 1600, 1984, 2000, 2480, 3076, 3100, 3200, 3845, 3875, 3968, 4000, 4960, 6152, 6200, 7690, 7750, 8000, 9920, 12304, 12400, 15380, 15500, 16000, 19225, 19840, 23839, 24608, 24800, 30760, 31000, 38450, 47678, 49216, 49600, 61520, 62000, 76900, 95356, 96125, 98432, 99200, 119195, 123040, 124000, 153800, 190712, 192250, 238390, 246080, 248000, 307600, 381424, 384500, 476780, 492160, 496000, 595975, 615200, 762848, 769000, 953560, 1191950, 1230400, 1525696, 1538000, 1907120, 2383900, 2460800, 2979875, 3051392, 3076000, 3814240, 4767800, 5959750, 6152000, 7628480, 9535600, 11919500, 12304000, 15256960, 19071200, 23839000, 38142400, 47678000, 76284800, 95356000, 190712000, 381424000]

約数ペア:

[(1, 381424000), (2, 190712000), (4, 95356000), (5, 76284800), (8, 47678000), (10, 38142400), (16, 23839000), (20, 19071200), (25, 15256960), (31, 12304000), (32, 11919500), (40, 9535600), (50, 7628480), (62, 6152000), (64, 5959750), (80, 4767800), (100, 3814240), (124, 3076000), (125, 3051392), (128, 2979875), (155, 2460800), (160, 2383900), (200, 1907120), (248, 1538000), (250, 1525696), (310, 1230400), (320, 1191950), (400, 953560), (496, 769000), (500, 762848), (620, 615200), (640, 595975), (769, 496000), (775, 492160), (800, 476780), (992, 384500), (1000, 381424), (1240, 307600), (1538, 248000), (1550, 246080), (1600, 238390), (1984, 192250), (2000, 190712), (2480, 153800), (3076, 124000), (3100, 123040), (3200, 119195), (3845, 99200), (3875, 98432), (3968, 96125), (4000, 95356), (4960, 76900), (6152, 62000), (6200, 61520), (7690, 49600), (7750, 49216), (8000, 47678), (9920, 38450), (12304, 31000), (12400, 30760), (15380, 24800), (15500, 24608), (16000, 23839), (19225, 19840)]