About the Number

308493220

308493219 ← → 308493221

2進数表記:10010011000110011101110100100

漢数字表記:三億八百四十九万三千二百二十

素因数分解:

2 2 × 5 1 × 7 2 × 17 1 × 18517 1

素因数の和:18557
約数の個数: 72
約数和(自身を含む): 797977656
約数和(自身を除く): 489484436

約数列:
[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 18517, 37034, 74068, 92585, 129619, 185170, 259238, 314789, 370340, 518476, 629578, 648095, 907333, 1259156, 1296190, 1573945, 1814666, 2203523, 2592380, 3147890, 3629332, 4407046, 4536665, 6295780, 8814092, 9073330, 11017615, 15424661, 18146660, 22035230, 30849322, 44070460, 61698644, 77123305, 154246610, 308493220]

約数ペア:
[(1, 308493220), (2, 154246610), (4, 77123305), (5, 61698644), (7, 44070460), (10, 30849322), (14, 22035230), (17, 18146660), (20, 15424661), (28, 11017615), (34, 9073330), (35, 8814092), (49, 6295780), (68, 4536665), (70, 4407046), (85, 3629332), (98, 3147890), (119, 2592380), (140, 2203523), (170, 1814666), (196, 1573945), (238, 1296190), (245, 1259156), (340, 907333), (476, 648095), (490, 629578), (595, 518476), (833, 370340), (980, 314789), (1190, 259238), (1666, 185170), (2380, 129619), (3332, 92585), (4165, 74068), (8330, 37034), (16660, 18517)]

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