About the Number

381130920

381130919 ← → 381130921

2進数表記:10110101101111001100010101000

漢数字表記:三億八千百十三万九百二十

素因数分解:

2 3 × 3 5 × 5 1 × 113 1 × 347 1

素因数の和:486
約数の個数: 192
約数和(自身を含む): 1299654720
約数和(自身を除く): 918523800

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 113, 120, 135, 162, 180, 216, 226, 243, 270, 324, 339, 347, 360, 405, 452, 486, 540, 565, 648, 678, 694, 810, 904, 972, 1017, 1041, 1080, 1130, 1215, 1356, 1388, 1620, 1695, 1735, 1944, 2034, 2082, 2260, 2430, 2712, 2776, 3051, 3123, 3240, 3390, 3470, 4068, 4164, 4520, 4860, 5085, 5205, 6102, 6246, 6780, 6940, 8136, 8328, 9153, 9369, 9720, 10170, 10410, 12204, 12492, 13560, 13880, 15255, 15615, 18306, 18738, 20340, 20820, 24408, 24984, 27459, 28107, 30510, 31230, 36612, 37476, 39211, 40680, 41640, 45765, 46845, 54918, 56214, 61020, 62460, 73224, 74952, 78422, 84321, 91530, 93690, 109836, 112428, 117633, 122040, 124920, 137295, 140535, 156844, 168642, 183060, 187380, 196055, 219672, 224856, 235266, 274590, 281070, 313688, 337284, 352899, 366120, 374760, 392110, 421605, 470532, 549180, 562140, 588165, 674568, 705798, 784220, 843210, 941064, 1058697, 1098360, 1124280, 1176330, 1411596, 1568440, 1686420, 1764495, 2117394, 2352660, 2823192, 3176091, 3372840, 3528990, 4234788, 4705320, 5293485, 6352182, 7057980, 8469576, 9528273, 10586970, 12704364, 14115960, 15880455, 19056546, 21173940, 25408728, 31760910, 38113092, 42347880, 47641365, 63521820, 76226184, 95282730, 127043640, 190565460, 381130920]

約数ペア:
[(1, 381130920), (2, 190565460), (3, 127043640), (4, 95282730), (5, 76226184), (6, 63521820), (8, 47641365), (9, 42347880), (10, 38113092), (12, 31760910), (15, 25408728), (18, 21173940), (20, 19056546), (24, 15880455), (27, 14115960), (30, 12704364), (36, 10586970), (40, 9528273), (45, 8469576), (54, 7057980), (60, 6352182), (72, 5293485), (81, 4705320), (90, 4234788), (108, 3528990), (113, 3372840), (120, 3176091), (135, 2823192), (162, 2352660), (180, 2117394), (216, 1764495), (226, 1686420), (243, 1568440), (270, 1411596), (324, 1176330), (339, 1124280), (347, 1098360), (360, 1058697), (405, 941064), (452, 843210), (486, 784220), (540, 705798), (565, 674568), (648, 588165), (678, 562140), (694, 549180), (810, 470532), (904, 421605), (972, 392110), (1017, 374760), (1041, 366120), (1080, 352899), (1130, 337284), (1215, 313688), (1356, 281070), (1388, 274590), (1620, 235266), (1695, 224856), (1735, 219672), (1944, 196055), (2034, 187380), (2082, 183060), (2260, 168642), (2430, 156844), (2712, 140535), (2776, 137295), (3051, 124920), (3123, 122040), (3240, 117633), (3390, 112428), (3470, 109836), (4068, 93690), (4164, 91530), (4520, 84321), (4860, 78422), (5085, 74952), (5205, 73224), (6102, 62460), (6246, 61020), (6780, 56214), (6940, 54918), (8136, 46845), (8328, 45765), (9153, 41640), (9369, 40680), (9720, 39211), (10170, 37476), (10410, 36612), (12204, 31230), (12492, 30510), (13560, 28107), (13880, 27459), (15255, 24984), (15615, 24408), (18306, 20820), (18738, 20340)]

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