About the Number

129987760

129987759 ← → 129987761

2進数表記:111101111110111010010110000

漢数字表記:一億二千九百九十八万七千七百六十

素因数分解:

2 4 × 5 1 × 7 1 × 97 1 × 2393 1

素因数の和:2510
約数の個数: 80
約数和(自身を含む): 349102656
約数和(自身を除く): 219114896

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1358, 1552, 1940, 2393, 2716, 3395, 3880, 4786, 5432, 6790, 7760, 9572, 10864, 11965, 13580, 16751, 19144, 23930, 27160, 33502, 38288, 47860, 54320, 67004, 83755, 95720, 134008, 167510, 191440, 232121, 268016, 335020, 464242, 670040, 928484, 1160605, 1340080, 1624847, 1856968, 2321210, 3249694, 3713936, 4642420, 6499388, 8124235, 9284840, 12998776, 16248470, 18569680, 25997552, 32496940, 64993880, 129987760]

約数ペア:
[(1, 129987760), (2, 64993880), (4, 32496940), (5, 25997552), (7, 18569680), (8, 16248470), (10, 12998776), (14, 9284840), (16, 8124235), (20, 6499388), (28, 4642420), (35, 3713936), (40, 3249694), (56, 2321210), (70, 1856968), (80, 1624847), (97, 1340080), (112, 1160605), (140, 928484), (194, 670040), (280, 464242), (388, 335020), (485, 268016), (560, 232121), (679, 191440), (776, 167510), (970, 134008), (1358, 95720), (1552, 83755), (1940, 67004), (2393, 54320), (2716, 47860), (3395, 38288), (3880, 33502), (4786, 27160), (5432, 23930), (6790, 19144), (7760, 16751), (9572, 13580), (10864, 11965)]

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