About the Number

381204480

381204479 ← → 381204481

2進数表記:10110101110001011100000000000

漢数字表記:三億八千百二十万四千四百八十

素因数分解:

2 11 × 3 1 × 5 1 × 12409 1

素因数の和:12439
約数の個数: 96
約数和(自身を含む): 1219654800
約数和(自身を除く): 838450320

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 5120, 6144, 7680, 10240, 12409, 15360, 24818, 30720, 37227, 49636, 62045, 74454, 99272, 124090, 148908, 186135, 198544, 248180, 297816, 372270, 397088, 496360, 595632, 744540, 794176, 992720, 1191264, 1489080, 1588352, 1985440, 2382528, 2978160, 3176704, 3970880, 4765056, 5956320, 6353408, 7941760, 9530112, 11912640, 12706816, 15883520, 19060224, 23825280, 25413632, 31767040, 38120448, 47650560, 63534080, 76240896, 95301120, 127068160, 190602240, 381204480]

約数ペア:
[(1, 381204480), (2, 190602240), (3, 127068160), (4, 95301120), (5, 76240896), (6, 63534080), (8, 47650560), (10, 38120448), (12, 31767040), (15, 25413632), (16, 23825280), (20, 19060224), (24, 15883520), (30, 12706816), (32, 11912640), (40, 9530112), (48, 7941760), (60, 6353408), (64, 5956320), (80, 4765056), (96, 3970880), (120, 3176704), (128, 2978160), (160, 2382528), (192, 1985440), (240, 1588352), (256, 1489080), (320, 1191264), (384, 992720), (480, 794176), (512, 744540), (640, 595632), (768, 496360), (960, 397088), (1024, 372270), (1280, 297816), (1536, 248180), (1920, 198544), (2048, 186135), (2560, 148908), (3072, 124090), (3840, 99272), (5120, 74454), (6144, 62045), (7680, 49636), (10240, 37227), (12409, 30720), (15360, 24818)]

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