About the Number

212436990

212436989 ← → 212436991

2進数表記:1100101010011000011111111110

漢数字表記:二億千二百四十三万六千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 41 1 × 57571 1

素因数の和:57625
約数の個数: 48
約数和(自身を含む): 565817616
約数和(自身を除く): 353380626

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 57571, 115142, 172713, 287855, 345426, 518139, 575710, 863565, 1036278, 1727130, 2360411, 2590695, 4720822, 5181390, 7081233, 11802055, 14162466, 21243699, 23604110, 35406165, 42487398, 70812330, 106218495, 212436990]

約数ペア:
[(1, 212436990), (2, 106218495), (3, 70812330), (5, 42487398), (6, 35406165), (9, 23604110), (10, 21243699), (15, 14162466), (18, 11802055), (30, 7081233), (41, 5181390), (45, 4720822), (82, 2590695), (90, 2360411), (123, 1727130), (205, 1036278), (246, 863565), (369, 575710), (410, 518139), (615, 345426), (738, 287855), (1230, 172713), (1845, 115142), (3690, 57571)]

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