About the Number

120428800

120428799 ← → 120428801

2進数表記:111001011011001100100000000

漢数字表記:一億二千四十二万八千八百

素因数分解:

2 8 × 5 2 × 31 1 × 607 1

素因数の和:664
約数の個数: 108
約数和(自身を含む): 308202496
約数和(自身を除く): 187773696

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 607, 620, 640, 775, 800, 992, 1214, 1240, 1280, 1550, 1600, 1984, 2428, 2480, 3035, 3100, 3200, 3968, 4856, 4960, 6070, 6200, 6400, 7936, 9712, 9920, 12140, 12400, 15175, 18817, 19424, 19840, 24280, 24800, 30350, 37634, 38848, 39680, 48560, 49600, 60700, 75268, 77696, 94085, 97120, 99200, 121400, 150536, 155392, 188170, 194240, 198400, 242800, 301072, 376340, 388480, 470425, 485600, 602144, 752680, 776960, 940850, 971200, 1204288, 1505360, 1881700, 1942400, 2408576, 3010720, 3763400, 3884800, 4817152, 6021440, 7526800, 12042880, 15053600, 24085760, 30107200, 60214400, 120428800]

約数ペア:
[(1, 120428800), (2, 60214400), (4, 30107200), (5, 24085760), (8, 15053600), (10, 12042880), (16, 7526800), (20, 6021440), (25, 4817152), (31, 3884800), (32, 3763400), (40, 3010720), (50, 2408576), (62, 1942400), (64, 1881700), (80, 1505360), (100, 1204288), (124, 971200), (128, 940850), (155, 776960), (160, 752680), (200, 602144), (248, 485600), (256, 470425), (310, 388480), (320, 376340), (400, 301072), (496, 242800), (607, 198400), (620, 194240), (640, 188170), (775, 155392), (800, 150536), (992, 121400), (1214, 99200), (1240, 97120), (1280, 94085), (1550, 77696), (1600, 75268), (1984, 60700), (2428, 49600), (2480, 48560), (3035, 39680), (3100, 38848), (3200, 37634), (3968, 30350), (4856, 24800), (4960, 24280), (6070, 19840), (6200, 19424), (6400, 18817), (7936, 15175), (9712, 12400), (9920, 12140)]

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