About the Number

381240320

381240319 ← → 381240321

2進数表記:10110101110010100010000000000

漢数字表記:三億八千百二十四万三百二十

素因数分解:

2 10 × 5 1 × 19 1 × 3919 1

素因数の和:3963
約数の個数: 88
約数和(自身を含む): 962908800
約数和(自身を除く): 581668480

約数列:
[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2432, 2560, 3040, 3919, 4864, 5120, 6080, 7838, 9728, 12160, 15676, 19456, 19595, 24320, 31352, 39190, 48640, 62704, 74461, 78380, 97280, 125408, 148922, 156760, 250816, 297844, 313520, 372305, 501632, 595688, 627040, 744610, 1003264, 1191376, 1254080, 1489220, 2006528, 2382752, 2508160, 2978440, 4013056, 4765504, 5016320, 5956880, 9531008, 10032640, 11913760, 19062016, 20065280, 23827520, 38124032, 47655040, 76248064, 95310080, 190620160, 381240320]

約数ペア:
[(1, 381240320), (2, 190620160), (4, 95310080), (5, 76248064), (8, 47655040), (10, 38124032), (16, 23827520), (19, 20065280), (20, 19062016), (32, 11913760), (38, 10032640), (40, 9531008), (64, 5956880), (76, 5016320), (80, 4765504), (95, 4013056), (128, 2978440), (152, 2508160), (160, 2382752), (190, 2006528), (256, 1489220), (304, 1254080), (320, 1191376), (380, 1003264), (512, 744610), (608, 627040), (640, 595688), (760, 501632), (1024, 372305), (1216, 313520), (1280, 297844), (1520, 250816), (2432, 156760), (2560, 148922), (3040, 125408), (3919, 97280), (4864, 78380), (5120, 74461), (6080, 62704), (7838, 48640), (9728, 39190), (12160, 31352), (15676, 24320), (19456, 19595)]

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