About the Number

1994408448

1994408447 ← → 1994408449

2進数表記:1110110111000000100001000000000

漢数字表記:十九億九千四百四十万八千四百四十八

素因数分解:

2 9 × 3 1 × 17 1 × 76379 1

素因数の和:76417
約数の個数: 80
約数和(自身を含む): 5625845280
約数和(自身を除く): 3631436832

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 512, 544, 768, 816, 1088, 1536, 1632, 2176, 3264, 4352, 6528, 8704, 13056, 26112, 76379, 152758, 229137, 305516, 458274, 611032, 916548, 1222064, 1298443, 1833096, 2444128, 2596886, 3666192, 3895329, 4888256, 5193772, 7332384, 7790658, 9776512, 10387544, 14664768, 15581316, 19553024, 20775088, 29329536, 31162632, 39106048, 41550176, 58659072, 62325264, 83100352, 117318144, 124650528, 166200704, 249301056, 332401408, 498602112, 664802816, 997204224, 1994408448]

約数ペア:
[(1, 1994408448), (2, 997204224), (3, 664802816), (4, 498602112), (6, 332401408), (8, 249301056), (12, 166200704), (16, 124650528), (17, 117318144), (24, 83100352), (32, 62325264), (34, 58659072), (48, 41550176), (51, 39106048), (64, 31162632), (68, 29329536), (96, 20775088), (102, 19553024), (128, 15581316), (136, 14664768), (192, 10387544), (204, 9776512), (256, 7790658), (272, 7332384), (384, 5193772), (408, 4888256), (512, 3895329), (544, 3666192), (768, 2596886), (816, 2444128), (1088, 1833096), (1536, 1298443), (1632, 1222064), (2176, 916548), (3264, 611032), (4352, 458274), (6528, 305516), (8704, 229137), (13056, 152758), (26112, 76379)]

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