About the Number
389089920
2進数表記:10111001100010000101010000000
漢数字表記:三億八千九百八万九千九百二十
素因数分解:
素因数の和:1274
約数の個数: 128
約数和(自身を含む): 1247892480
約数和(自身を除く): 858802560
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 191, 192, 240, 320, 382, 384, 480, 573, 640, 764, 955, 960, 1061, 1146, 1528, 1910, 1920, 2122, 2292, 2865, 3056, 3183, 3820, 4244, 4584, 5305, 5730, 6112, 6366, 7640, 8488, 9168, 10610, 11460, 12224, 12732, 15280, 15915, 16976, 18336, 21220, 22920, 24448, 25464, 30560, 31830, 33952, 36672, 42440, 45840, 50928, 61120, 63660, 67904, 73344, 84880, 91680, 101856, 122240, 127320, 135808, 169760, 183360, 202651, 203712, 254640, 339520, 366720, 405302, 407424, 509280, 607953, 679040, 810604, 1013255, 1018560, 1215906, 1621208, 2026510, 2037120, 2431812, 3039765, 3242416, 4053020, 4863624, 6079530, 6484832, 8106040, 9727248, 12159060, 12969664, 16212080, 19454496, 24318120, 25939328, 32424160, 38908992, 48636240, 64848320, 77817984, 97272480, 129696640, 194544960, 389089920]
約数ペア:
[(1, 389089920), (2, 194544960), (3, 129696640), (4, 97272480), (5, 77817984), (6, 64848320), (8, 48636240), (10, 38908992), (12, 32424160), (15, 25939328), (16, 24318120), (20, 19454496), (24, 16212080), (30, 12969664), (32, 12159060), (40, 9727248), (48, 8106040), (60, 6484832), (64, 6079530), (80, 4863624), (96, 4053020), (120, 3242416), (128, 3039765), (160, 2431812), (191, 2037120), (192, 2026510), (240, 1621208), (320, 1215906), (382, 1018560), (384, 1013255), (480, 810604), (573, 679040), (640, 607953), (764, 509280), (955, 407424), (960, 405302), (1061, 366720), (1146, 339520), (1528, 254640), (1910, 203712), (1920, 202651), (2122, 183360), (2292, 169760), (2865, 135808), (3056, 127320), (3183, 122240), (3820, 101856), (4244, 91680), (4584, 84880), (5305, 73344), (5730, 67904), (6112, 63660), (6366, 61120), (7640, 50928), (8488, 45840), (9168, 42440), (10610, 36672), (11460, 33952), (12224, 31830), (12732, 30560), (15280, 25464), (15915, 24448), (16976, 22920), (18336, 21220)]このpageの処理時間: 0.04363203048706055 seconds