About the Number

122781390

122781389 ← → 122781391

2進数表記:111010100010111111011001110

漢数字表記:一億二千二百七十八万千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 47 1 × 53 2

素因数の和:194
約数の個数: 96
約数和(自身を含む): 316624896
約数和(自身を除く): 193843506

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 47, 53, 62, 93, 94, 106, 141, 155, 159, 186, 235, 265, 282, 310, 318, 465, 470, 530, 705, 795, 930, 1410, 1457, 1590, 1643, 2491, 2809, 2914, 3286, 4371, 4929, 4982, 5618, 7285, 7473, 8215, 8427, 8742, 9858, 12455, 14045, 14570, 14946, 16430, 16854, 21855, 24645, 24910, 28090, 37365, 42135, 43710, 49290, 74730, 77221, 84270, 87079, 132023, 154442, 174158, 231663, 261237, 264046, 386105, 396069, 435395, 463326, 522474, 660115, 772210, 792138, 870790, 1158315, 1306185, 1320230, 1980345, 2316630, 2612370, 3960690, 4092713, 8185426, 12278139, 20463565, 24556278, 40927130, 61390695, 122781390]

約数ペア:
[(1, 122781390), (2, 61390695), (3, 40927130), (5, 24556278), (6, 20463565), (10, 12278139), (15, 8185426), (30, 4092713), (31, 3960690), (47, 2612370), (53, 2316630), (62, 1980345), (93, 1320230), (94, 1306185), (106, 1158315), (141, 870790), (155, 792138), (159, 772210), (186, 660115), (235, 522474), (265, 463326), (282, 435395), (310, 396069), (318, 386105), (465, 264046), (470, 261237), (530, 231663), (705, 174158), (795, 154442), (930, 132023), (1410, 87079), (1457, 84270), (1590, 77221), (1643, 74730), (2491, 49290), (2809, 43710), (2914, 42135), (3286, 37365), (4371, 28090), (4929, 24910), (4982, 24645), (5618, 21855), (7285, 16854), (7473, 16430), (8215, 14946), (8427, 14570), (8742, 14045), (9858, 12455)]

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