About the Number

129217200

129217199 ← → 129217201

2進数表記:111101100111011001010110000

漢数字表記:一億二千九百二十一万七千二百

素因数分解:

2 4 × 3 1 × 5 2 × 7 1 × 15383 1

素因数の和:15411
約数の個数: 120
約数和(自身を含む): 473088768
約数和(自身を除く): 343871568

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 15383, 30766, 46149, 61532, 76915, 92298, 107681, 123064, 153830, 184596, 215362, 230745, 246128, 307660, 323043, 369192, 384575, 430724, 461490, 538405, 615320, 646086, 738384, 769150, 861448, 922980, 1076810, 1153725, 1230640, 1292172, 1538300, 1615215, 1722896, 1845960, 2153620, 2307450, 2584344, 2692025, 3076600, 3230430, 3691920, 4307240, 4614900, 5168688, 5384050, 6153200, 6460860, 8076075, 8614480, 9229800, 10768100, 12921720, 16152150, 18459600, 21536200, 25843440, 32304300, 43072400, 64608600, 129217200]

約数ペア:
[(1, 129217200), (2, 64608600), (3, 43072400), (4, 32304300), (5, 25843440), (6, 21536200), (7, 18459600), (8, 16152150), (10, 12921720), (12, 10768100), (14, 9229800), (15, 8614480), (16, 8076075), (20, 6460860), (21, 6153200), (24, 5384050), (25, 5168688), (28, 4614900), (30, 4307240), (35, 3691920), (40, 3230430), (42, 3076600), (48, 2692025), (50, 2584344), (56, 2307450), (60, 2153620), (70, 1845960), (75, 1722896), (80, 1615215), (84, 1538300), (100, 1292172), (105, 1230640), (112, 1153725), (120, 1076810), (140, 922980), (150, 861448), (168, 769150), (175, 738384), (200, 646086), (210, 615320), (240, 538405), (280, 461490), (300, 430724), (336, 384575), (350, 369192), (400, 323043), (420, 307660), (525, 246128), (560, 230745), (600, 215362), (700, 184596), (840, 153830), (1050, 123064), (1200, 107681), (1400, 92298), (1680, 76915), (2100, 61532), (2800, 46149), (4200, 30766), (8400, 15383)]

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