About the Number

990497872

990497871 ← → 990497873

2進数表記:111011000010011100110001010000

漢数字表記:九億九千四十九万七千八百七十二

素因数分解:

2 4 × 7 1 × 13 1 × 73 1 × 9319 1

素因数の和:9420
約数の個数: 80
約数和(自身を含む): 2394568960
約数和(自身を除く): 1404071088

約数列:
[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 182, 208, 292, 364, 511, 584, 728, 949, 1022, 1168, 1456, 1898, 2044, 3796, 4088, 6643, 7592, 8176, 9319, 13286, 15184, 18638, 26572, 37276, 53144, 65233, 74552, 106288, 121147, 130466, 149104, 242294, 260932, 484588, 521864, 680287, 848029, 969176, 1043728, 1360574, 1696058, 1938352, 2721148, 3392116, 4762009, 5442296, 6784232, 8843731, 9524018, 10884592, 13568464, 17687462, 19048036, 35374924, 38096072, 61906117, 70749848, 76192144, 123812234, 141499696, 247624468, 495248936, 990497872]

約数ペア:
[(1, 990497872), (2, 495248936), (4, 247624468), (7, 141499696), (8, 123812234), (13, 76192144), (14, 70749848), (16, 61906117), (26, 38096072), (28, 35374924), (52, 19048036), (56, 17687462), (73, 13568464), (91, 10884592), (104, 9524018), (112, 8843731), (146, 6784232), (182, 5442296), (208, 4762009), (292, 3392116), (364, 2721148), (511, 1938352), (584, 1696058), (728, 1360574), (949, 1043728), (1022, 969176), (1168, 848029), (1456, 680287), (1898, 521864), (2044, 484588), (3796, 260932), (4088, 242294), (6643, 149104), (7592, 130466), (8176, 121147), (9319, 106288), (13286, 74552), (15184, 65233), (18638, 53144), (26572, 37276)]

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