About the Number

199816920

199816919 ← → 199816921

2進数表記:1011111010001111011011011000

漢数字表記:一億九千九百八十一万六千九百二十

素因数分解:

2 3 × 3 2 × 5 1 × 19 1 × 131 1 × 223 1

素因数の和:390
約数の個数: 192
約数和(自身を含む): 691891200
約数和(自身を除く): 492074280

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 131, 152, 171, 180, 190, 223, 228, 262, 285, 342, 360, 380, 393, 446, 456, 524, 570, 655, 669, 684, 760, 786, 855, 892, 1048, 1115, 1140, 1179, 1310, 1338, 1368, 1572, 1710, 1784, 1965, 2007, 2230, 2280, 2358, 2489, 2620, 2676, 3144, 3345, 3420, 3930, 4014, 4237, 4460, 4716, 4978, 5240, 5352, 5895, 6690, 6840, 7467, 7860, 8028, 8474, 8920, 9432, 9956, 10035, 11790, 12445, 12711, 13380, 14934, 15720, 16056, 16948, 19912, 20070, 21185, 22401, 23580, 24890, 25422, 26760, 29213, 29868, 33896, 37335, 38133, 40140, 42370, 44802, 47160, 49780, 50844, 58426, 59736, 63555, 74670, 76266, 80280, 84740, 87639, 89604, 99560, 101688, 112005, 116852, 127110, 146065, 149340, 152532, 169480, 175278, 179208, 190665, 224010, 233704, 254220, 262917, 292130, 298680, 305064, 350556, 381330, 438195, 448020, 508440, 525834, 555047, 584260, 701112, 762660, 876390, 896040, 1051668, 1110094, 1168520, 1314585, 1525320, 1665141, 1752780, 2103336, 2220188, 2629170, 2775235, 3330282, 3505560, 4440376, 4995423, 5258340, 5550470, 6660564, 8325705, 9990846, 10516680, 11100940, 13321128, 16651410, 19981692, 22201880, 24977115, 33302820, 39963384, 49954230, 66605640, 99908460, 199816920]

約数ペア:
[(1, 199816920), (2, 99908460), (3, 66605640), (4, 49954230), (5, 39963384), (6, 33302820), (8, 24977115), (9, 22201880), (10, 19981692), (12, 16651410), (15, 13321128), (18, 11100940), (19, 10516680), (20, 9990846), (24, 8325705), (30, 6660564), (36, 5550470), (38, 5258340), (40, 4995423), (45, 4440376), (57, 3505560), (60, 3330282), (72, 2775235), (76, 2629170), (90, 2220188), (95, 2103336), (114, 1752780), (120, 1665141), (131, 1525320), (152, 1314585), (171, 1168520), (180, 1110094), (190, 1051668), (223, 896040), (228, 876390), (262, 762660), (285, 701112), (342, 584260), (360, 555047), (380, 525834), (393, 508440), (446, 448020), (456, 438195), (524, 381330), (570, 350556), (655, 305064), (669, 298680), (684, 292130), (760, 262917), (786, 254220), (855, 233704), (892, 224010), (1048, 190665), (1115, 179208), (1140, 175278), (1179, 169480), (1310, 152532), (1338, 149340), (1368, 146065), (1572, 127110), (1710, 116852), (1784, 112005), (1965, 101688), (2007, 99560), (2230, 89604), (2280, 87639), (2358, 84740), (2489, 80280), (2620, 76266), (2676, 74670), (3144, 63555), (3345, 59736), (3420, 58426), (3930, 50844), (4014, 49780), (4237, 47160), (4460, 44802), (4716, 42370), (4978, 40140), (5240, 38133), (5352, 37335), (5895, 33896), (6690, 29868), (6840, 29213), (7467, 26760), (7860, 25422), (8028, 24890), (8474, 23580), (8920, 22401), (9432, 21185), (9956, 20070), (10035, 19912), (11790, 16948), (12445, 16056), (12711, 15720), (13380, 14934)]

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