About the Number

79898980

79898979 ← → 79898981

2進数表記:100110000110010100101100100

漢数字表記:七千九百八十九万八千九百八十

素因数分解:

2 2 × 5 1 × 7 1 × 17 1 × 59 1 × 569 1

素因数の和:661
約数の個数: 96
約数和(自身を含む): 206841600
約数和(自身を除く): 126942620

約数列:
[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 59, 68, 70, 85, 118, 119, 140, 170, 236, 238, 295, 340, 413, 476, 569, 590, 595, 826, 1003, 1138, 1180, 1190, 1652, 2006, 2065, 2276, 2380, 2845, 3983, 4012, 4130, 5015, 5690, 7021, 7966, 8260, 9673, 10030, 11380, 14042, 15932, 19346, 19915, 20060, 28084, 33571, 35105, 38692, 39830, 48365, 67142, 67711, 70210, 79660, 96730, 134284, 135422, 140420, 167855, 193460, 234997, 270844, 335710, 338555, 469994, 570707, 671420, 677110, 939988, 1141414, 1174985, 1354220, 2282828, 2349970, 2853535, 3994949, 4699940, 5707070, 7989898, 11414140, 15979796, 19974745, 39949490, 79898980]

約数ペア:
[(1, 79898980), (2, 39949490), (4, 19974745), (5, 15979796), (7, 11414140), (10, 7989898), (14, 5707070), (17, 4699940), (20, 3994949), (28, 2853535), (34, 2349970), (35, 2282828), (59, 1354220), (68, 1174985), (70, 1141414), (85, 939988), (118, 677110), (119, 671420), (140, 570707), (170, 469994), (236, 338555), (238, 335710), (295, 270844), (340, 234997), (413, 193460), (476, 167855), (569, 140420), (590, 135422), (595, 134284), (826, 96730), (1003, 79660), (1138, 70210), (1180, 67711), (1190, 67142), (1652, 48365), (2006, 39830), (2065, 38692), (2276, 35105), (2380, 33571), (2845, 28084), (3983, 20060), (4012, 19915), (4130, 19346), (5015, 15932), (5690, 14042), (7021, 11380), (7966, 10030), (8260, 9673)]

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