About the Number

128971500

128971499 ← → 128971501

2進数表記:111101011111111001011101100

漢数字表記:一億二千八百九十七万千五百

素因数分解:

2 2 × 3 1 × 5 3 × 7 1 × 71 1 × 173 1

素因数の和:273
約数の個数: 192
約数和(自身を含む): 437778432
約数和(自身を除く): 308806932

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 71, 75, 84, 100, 105, 125, 140, 142, 150, 173, 175, 210, 213, 250, 284, 300, 346, 350, 355, 375, 420, 426, 497, 500, 519, 525, 692, 700, 710, 750, 852, 865, 875, 994, 1038, 1050, 1065, 1211, 1420, 1491, 1500, 1730, 1750, 1775, 1988, 2076, 2100, 2130, 2422, 2485, 2595, 2625, 2982, 3460, 3500, 3550, 3633, 4260, 4325, 4844, 4970, 5190, 5250, 5325, 5964, 6055, 7100, 7266, 7455, 8650, 8875, 9940, 10380, 10500, 10650, 12110, 12283, 12425, 12975, 14532, 14910, 17300, 17750, 18165, 21300, 21625, 24220, 24566, 24850, 25950, 26625, 29820, 30275, 35500, 36330, 36849, 37275, 43250, 49132, 49700, 51900, 53250, 60550, 61415, 62125, 64875, 72660, 73698, 74550, 85981, 86500, 90825, 106500, 121100, 122830, 124250, 129750, 147396, 149100, 151375, 171962, 181650, 184245, 186375, 245660, 248500, 257943, 259500, 302750, 307075, 343924, 363300, 368490, 372750, 429905, 454125, 515886, 605500, 614150, 736980, 745500, 859810, 908250, 921225, 1031772, 1228300, 1289715, 1535375, 1719620, 1816500, 1842450, 2149525, 2579430, 3070750, 3684900, 4299050, 4606125, 5158860, 6141500, 6448575, 8598100, 9212250, 10747625, 12897150, 18424500, 21495250, 25794300, 32242875, 42990500, 64485750, 128971500]

約数ペア:
[(1, 128971500), (2, 64485750), (3, 42990500), (4, 32242875), (5, 25794300), (6, 21495250), (7, 18424500), (10, 12897150), (12, 10747625), (14, 9212250), (15, 8598100), (20, 6448575), (21, 6141500), (25, 5158860), (28, 4606125), (30, 4299050), (35, 3684900), (42, 3070750), (50, 2579430), (60, 2149525), (70, 1842450), (71, 1816500), (75, 1719620), (84, 1535375), (100, 1289715), (105, 1228300), (125, 1031772), (140, 921225), (142, 908250), (150, 859810), (173, 745500), (175, 736980), (210, 614150), (213, 605500), (250, 515886), (284, 454125), (300, 429905), (346, 372750), (350, 368490), (355, 363300), (375, 343924), (420, 307075), (426, 302750), (497, 259500), (500, 257943), (519, 248500), (525, 245660), (692, 186375), (700, 184245), (710, 181650), (750, 171962), (852, 151375), (865, 149100), (875, 147396), (994, 129750), (1038, 124250), (1050, 122830), (1065, 121100), (1211, 106500), (1420, 90825), (1491, 86500), (1500, 85981), (1730, 74550), (1750, 73698), (1775, 72660), (1988, 64875), (2076, 62125), (2100, 61415), (2130, 60550), (2422, 53250), (2485, 51900), (2595, 49700), (2625, 49132), (2982, 43250), (3460, 37275), (3500, 36849), (3550, 36330), (3633, 35500), (4260, 30275), (4325, 29820), (4844, 26625), (4970, 25950), (5190, 24850), (5250, 24566), (5325, 24220), (5964, 21625), (6055, 21300), (7100, 18165), (7266, 17750), (7455, 17300), (8650, 14910), (8875, 14532), (9940, 12975), (10380, 12425), (10500, 12283), (10650, 12110)]

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