About the Number

1197990

1197989 ← → 1197991

2進数表記:100100100011110100110

漢数字表記:百十九万七千九百九十

素因数分解:

2 1 × 3 5 × 5 1 × 17 1 × 29 1

素因数の和:68
約数の個数: 96
約数和(自身を含む): 3538080
約数和(自身を除く): 2340090

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 29, 30, 34, 45, 51, 54, 58, 81, 85, 87, 90, 102, 135, 145, 153, 162, 170, 174, 243, 255, 261, 270, 290, 306, 405, 435, 459, 486, 493, 510, 522, 765, 783, 810, 870, 918, 986, 1215, 1305, 1377, 1479, 1530, 1566, 2295, 2349, 2430, 2465, 2610, 2754, 2958, 3915, 4131, 4437, 4590, 4698, 4930, 6885, 7047, 7395, 7830, 8262, 8874, 11745, 13311, 13770, 14094, 14790, 20655, 22185, 23490, 26622, 35235, 39933, 41310, 44370, 66555, 70470, 79866, 119799, 133110, 199665, 239598, 399330, 598995, 1197990]

約数ペア:
[(1, 1197990), (2, 598995), (3, 399330), (5, 239598), (6, 199665), (9, 133110), (10, 119799), (15, 79866), (17, 70470), (18, 66555), (27, 44370), (29, 41310), (30, 39933), (34, 35235), (45, 26622), (51, 23490), (54, 22185), (58, 20655), (81, 14790), (85, 14094), (87, 13770), (90, 13311), (102, 11745), (135, 8874), (145, 8262), (153, 7830), (162, 7395), (170, 7047), (174, 6885), (243, 4930), (255, 4698), (261, 4590), (270, 4437), (290, 4131), (306, 3915), (405, 2958), (435, 2754), (459, 2610), (486, 2465), (493, 2430), (510, 2349), (522, 2295), (765, 1566), (783, 1530), (810, 1479), (870, 1377), (918, 1305), (986, 1215)]

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